<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0036-3634</journal-id>
<journal-title><![CDATA[Salud Pública de México]]></journal-title>
<abbrev-journal-title><![CDATA[Salud pública Méx]]></abbrev-journal-title>
<issn>0036-3634</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Salud Pública]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0036-36342016000600629</article-id>
<article-id pub-id-type="doi">10.21149/spm.v58i6.7974</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Methodology for estimating dietary data from the semi-quantitative food frequency questionnaire of the Mexican National Health and Nutrition Survey 2012]]></article-title>
<article-title xml:lang="es"><![CDATA[Metodología para la estimación de información dietética del cuestionario semicuantitativo de frecuencia de consumo de alimentos de la Encuesta Nacional de Salud y Nutrición 2012]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Silva]]></surname>
<given-names><![CDATA[Ivonne]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez-Aguilar]]></surname>
<given-names><![CDATA[Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valenzuela-Bravo]]></surname>
<given-names><![CDATA[Danae]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martinez-Tapia]]></surname>
<given-names><![CDATA[Brenda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Ramírez]]></surname>
<given-names><![CDATA[Sonia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gaona-Pineda]]></surname>
<given-names><![CDATA[Elsa Berenice]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Angulo-Estrada]]></surname>
<given-names><![CDATA[Salomón]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Shamah-Levy]]></surname>
<given-names><![CDATA[Teresa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Salud Pública Centro de Investigación en Nutrición y Salud ]]></institution>
<addr-line><![CDATA[Cuernavaca ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<volume>58</volume>
<numero>6</numero>
<fpage>629</fpage>
<lpage>638</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0036-36342016000600629&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0036-36342016000600629&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0036-36342016000600629&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Objective: To describe the methodology used to clean up and estimate dietary intake (DI) data from the Semi-Quantitative Food Frequency Questionnaire (SFFQ) of the Mexican National Health and Nutrition Survey 2012.  Materials and methods: DI was collected through a shortterm SFFQ regarding 140 foods (from October 2011 to May 2012). Energy and nutrient intake was calculated according to a nutrient database constructed specifically for the SFFQ.  Results: A total of 133 nutrients including energy and fiber were generated from SFFQ data. Between 4.8 and 9.6% of the survey sample was excluded as a result of the cleaning process.Valid DI data were obtained regarding energy and nutrients consumed by 1 212 pre-school children, 1 323 school children, 1 961 adolescents, 2 027 adults and 526 older adults.  Conclusions: We documented the methodology used to clean up and estimate DI from the SFFQ used in national dietary assessments in Mexico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Objetivo: Describir la metodología para la estimación y limpieza de datos sobre ingestión dietética (ID) derivados del cuestionario semicuantitativo de frecuencias de consumo de alimentos (CFCAS) de la Encuesta Nacional de Salud y Nutrición 2012.  Material y métodos: La información de ID fue recolectada a través de un CFCAS de siete días que obtuvo información sobre la ingesta de 140 alimentos (de octubre de 2011 a mayo de 2012). La ingesta de energía y nutrientes fue calculada utilizando una base de datos de nutrientes construida para el procesamiento del CFCAS.  Resultados: Se obtuvieron 133 nutrimentos (incluidos energía y fibra). Entre 4.8 y 9.6% de la muestra fue excluido, con lo que se obtuvo información válida sobre la ingesta de energía y nutrimentos para 1 212 preescolares, 1 323 escolares, 1 961 adolescentes, 2 027 adultos y 526 adultos mayores.  Conclusiones: Se documentó la metodología para la estimación de la ID y los criterios de limpieza para CFCAS usados para la evaluación dietética nacional.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[methodology]]></kwd>
<kwd lng="en"><![CDATA[energy intake]]></kwd>
<kwd lng="en"><![CDATA[micronutrients]]></kwd>
<kwd lng="en"><![CDATA[macronutrients]]></kwd>
<kwd lng="es"><![CDATA[metodología]]></kwd>
<kwd lng="es"><![CDATA[ingestión de energía]]></kwd>
<kwd lng="es"><![CDATA[micronutrientes]]></kwd>
<kwd lng="es"><![CDATA[macronutrientes]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Reliability and validity of food frequency questions to assess beverage and food group intakes among low-income 2to 4-year-old children]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Koleilat]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Whaley]]></surname>
<given-names><![CDATA[SE]]></given-names>
</name>
</person-group>
<source><![CDATA[J Acad Nutr Diet]]></source>
<year>2016</year>
<volume>116</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>931-9</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Thompson]]></surname>
<given-names><![CDATA[FE]]></given-names>
</name>
<name>
<surname><![CDATA[Subar]]></surname>
<given-names><![CDATA[AF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chapter 1. Dietary assessment methodology]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Coulston]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
</person-group>
<source><![CDATA[Nutrition in the Prevention and Treatment of Disease]]></source>
<year>2013</year>
<edition>3rd</edition>
<page-range>5-45</page-range><publisher-loc><![CDATA[Oxford, UK ]]></publisher-loc>
<publisher-name><![CDATA[Elsevier]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Valoración de la ingesta dietética a nivel poblacional mediante cuestionarios individuales: sombras y luces metodológicas]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martin-Moreno]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Gorgojo]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<source><![CDATA[Rev Esp Salud Publica]]></source>
<year>2007</year>
<volume>81</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>507-18</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Margetts]]></surname>
<given-names><![CDATA[BM]]></given-names>
</name>
<name>
<surname><![CDATA[Nelson]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Overview of the principles of nutritional epidemiology]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Margetts]]></surname>
<given-names><![CDATA[BM]]></given-names>
</name>
<name>
<surname><![CDATA[Nelson]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Design concepts in nutritional epidemiology]]></source>
<year>2000</year>
<edition>2nd</edition>
<page-range>3-38</page-range><publisher-loc><![CDATA[Osford, New York ]]></publisher-loc>
<publisher-name><![CDATA[Oxford University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Rivera-Dommarco]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Shamah-Levy]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Villalpando-Hernández]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Franco]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Cuevas-Nasu]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<source><![CDATA[Encuesta Nacional de Salud y Nutrición 2012. Resultados Nacionales]]></source>
<year>2012</year>
<publisher-loc><![CDATA[Cuernavaca, México ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Nacional de Salud Pública]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Encuesta Nacional de Salud y Nutrición 2012: diseño y cobertura]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Romero-Martínez]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Shamah-Levy]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Franco-Núñez]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Villalpando]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Cuevas-Nasu]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
</person-group>
<source><![CDATA[Salud Publica Mex]]></source>
<year>2013</year>
<volume>55</volume>
<numero>^ssupl.2</numero>
<issue>^ssupl.2</issue>
<supplement>supl.2</supplement>
<page-range>S332-40</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Methodology for the analysis of dietary data from the Mexican National Health and Nutrition Survey 2006]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez-Ramírez]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Mundo-Rosas]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez-Aguilar]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Shamah-Levy]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<source><![CDATA[Salud Publica Mex]]></source>
<year>2009</year>
<volume>51</volume>
<numero>^ssupl.4</numero>
<issue>^ssupl.4</issue>
<supplement>supl.4</supplement>
<page-range>S523-9</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Validity of a food frequency questionnaire to assess food intake in Mexican adolescent and adult population]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Denova-Gutiérrez]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez-Silva]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez-Ramírez]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez-Aguilar]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Shamah-Levy]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Rivera-Dommarco]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
</person-group>
<source><![CDATA[Salud Publica Mex]]></source>
<year>2016</year>
<volume>58</volume>
<numero>6</numero>
<issue>6</issue>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="book">
<collab>Instituto Nacional de Salud Pública</collab>
<source><![CDATA[Bases de datos del valor nutritivo de los alimentos]]></source>
<year>2012</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[INSP]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<source><![CDATA[Diario Oficial de la Federación]]></source>
<year></year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[DOF]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Percentage points for a generalized ESD many-outlier procedure]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rosner]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<source><![CDATA[Technometrics]]></source>
<year>1983</year>
<volume>25</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>165-72</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<article-title xml:lang=""><![CDATA[Energy]]></article-title>
<collab>Institute of Medicine</collab>
<source><![CDATA[Dietary reference intakes for energy, carbohydrates, fiber, fat, protein and amino acids (macronutrients)]]></source>
<year>2005</year>
<page-range>107-264</page-range><publisher-loc><![CDATA[Washington, DC ]]></publisher-loc>
<publisher-name><![CDATA[Institute of Medicine, National Academies Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Factores asociados con la actividad física en mujeres mexicanas en edad reproductiva]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[de-Haene]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Barquera]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Monterrubio]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Rivera]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Shamah]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<source><![CDATA[Rev Panam Salud Publica]]></source>
<year>2003</year>
<volume>14</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>235-44</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Comparison of predictive equations for resting metabolic rate in healthy nonobese and obese adults: a systematic review]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Frankenfield]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Roth-Yousey]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Compher]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<source><![CDATA[J Am Diet Assoc]]></source>
<year>2005</year>
<volume>105</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>775-89</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="book">
<collab>Food and Agriculture Organization of the United Nations</collab>
<collab>World Health Organization</collab>
<collab>United Nations University</collab>
<source><![CDATA[Human energy requirements: Report of a Joint FAO/WHO/ONU Expert Consultation]]></source>
<year>2001</year>
<publisher-loc><![CDATA[Rome ]]></publisher-loc>
<publisher-name><![CDATA[FAO]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="book">
<collab>Institute of Medicine</collab>
<source><![CDATA[Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium, Zinc]]></source>
<year>2001</year>
<publisher-loc><![CDATA[Washington, DC ]]></publisher-loc>
<publisher-name><![CDATA[National Academies Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<article-title xml:lang=""><![CDATA[Folate]]></article-title>
<collab>Standing Committee on the Scientific Evaluation of Dietary Reference Intakes and its Panel on Folate, other B Vitamins, and Choline and Subcommittee on Upper Reference Level of Nutrients, Food and Nutrition Board, Institute of Medicine</collab>
<source><![CDATA[Dietary reference intakes for: thiamin, riboflavin, niacin, vitamin B6, folate, Vitamin B12, pantothenic acid, biotin and choline]]></source>
<year>2000</year>
<page-range>196-305</page-range><publisher-loc><![CDATA[Washington, DC ]]></publisher-loc>
<publisher-name><![CDATA[National Academies Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<article-title xml:lang=""><![CDATA[Calcium]]></article-title>
<collab>Standing Committee on the Scientific Evaluation of Dietary Reference Intakes. Food and Nutrition Board, Institute of Medicine</collab>
<source><![CDATA[Dietary reference intakes for: calcium, phosphorus, magnesium, vitamin D and fluoride]]></source>
<year>2000</year>
<page-range>71-145</page-range><publisher-loc><![CDATA[Washington, DC ]]></publisher-loc>
<publisher-name><![CDATA[National Academies Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rivera]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Hotz]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Bourges]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Casanueva]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Rosado]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
</person-group>
<source><![CDATA[Recomendaciones de Ingestión de Nutrimentos para la Población Mexicana. Bases Fisiológicas I]]></source>
<year>2005</year>
<page-range>245-64</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Editorial Médica Panamericana]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Bioavailable dietary iron is associated with hemoglobin concentration in Mexican preschool children]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[SC]]></given-names>
</name>
<name>
<surname><![CDATA[Hotz]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Rivera]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
</person-group>
<source><![CDATA[J Nutr]]></source>
<year>2007</year>
<volume>137</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>2304-10</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="confpro">
<collab>World Health Organization</collab>
<collab>Tufts University</collab>
<source><![CDATA[Keep fit for life]]></source>
<year>2002</year>
<conf-name><![CDATA[ Meeting the nutritional needs of older persons]]></conf-name>
<conf-date>2002</conf-date>
<conf-loc>Geneva </conf-loc>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Precision and estimated accuracy of two short-term food frequency questionnaires compared with recalls and records]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Eck]]></surname>
<given-names><![CDATA[LH]]></given-names>
</name>
<name>
<surname><![CDATA[Klesges]]></surname>
<given-names><![CDATA[LM]]></given-names>
</name>
<name>
<surname><![CDATA[Klesges]]></surname>
<given-names><![CDATA[RC]]></given-names>
</name>
</person-group>
<source><![CDATA[J Clin Epidemiol]]></source>
<year>1996</year>
<volume>49</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>1195-200</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Measuring short-term dietary intake: development and testing of a 1-week food frequency questionnaire]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Eck]]></surname>
<given-names><![CDATA[LH]]></given-names>
</name>
<name>
<surname><![CDATA[Klesges]]></surname>
<given-names><![CDATA[RC]]></given-names>
</name>
<name>
<surname><![CDATA[Hanson]]></surname>
<given-names><![CDATA[CL]]></given-names>
</name>
<name>
<surname><![CDATA[Slawson]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Portis]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Lavasque]]></surname>
<given-names><![CDATA[ME]]></given-names>
</name>
</person-group>
<source><![CDATA[J Am Diet Assoc]]></source>
<year>1991</year>
<volume>91</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>940-5</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Evaluation of alternative approaches to assign nutrient values to food groups in food frequency questionnaires]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Subar]]></surname>
<given-names><![CDATA[AF]]></given-names>
</name>
<name>
<surname><![CDATA[Midthune]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Kulldorff]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[CC]]></given-names>
</name>
<name>
<surname><![CDATA[Thompson]]></surname>
<given-names><![CDATA[FE]]></given-names>
</name>
<name>
<surname><![CDATA[Kipnis]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
</person-group>
<source><![CDATA[Am J Epidemiol]]></source>
<year>2000</year>
<volume>152</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>279-86</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rivera-Dommarco]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Shamah-Levy]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Villalpando-Hernández]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[González-de-Cossio]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Prado]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Sepúlveda]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Encuesta Nacional de Nutrición 1999. Estado nutricio en niños y mujeres en México]]></source>
<year>2001</year>
<publisher-loc><![CDATA[Cuernavaca, Morelos, México ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Nacional de Salud Pública]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Use of semiquantitative food frequency questionnaires to estimate the distribution of usual intake]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carrol]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Freedman]]></surname>
<given-names><![CDATA[LS]]></given-names>
</name>
<name>
<surname><![CDATA[Hartman]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
</person-group>
<source><![CDATA[Am J Epidemiol]]></source>
<year>1996</year>
<volume>143</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>392-404</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Relative validation of a food frequency questionnaire for national health and nutrition monitoring]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Haftenberger]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Heuer]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Heidemann]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Kube]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Krems]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Mensink]]></surname>
<given-names><![CDATA[GB]]></given-names>
</name>
</person-group>
<source><![CDATA[Nutr J]]></source>
<year>2010</year>
<volume>14</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>36</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Estimating food intakes in Australia: validation of the Commonwealth Scientific and Industrial Research Organization (CSIRO) food frequency questionnaire against weighed dietary intakes]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lassale]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Guilbert]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Keogh]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Syrette]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Lange]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Cox]]></surname>
<given-names><![CDATA[DN]]></given-names>
</name>
</person-group>
<source><![CDATA[J Hum Nutr Diet]]></source>
<year>2009</year>
<volume>22</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>559-66</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Assessment of usual dietary intake in population studies of gene-diet interaction]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tucker]]></surname>
<given-names><![CDATA[KL]]></given-names>
</name>
</person-group>
<source><![CDATA[Nutr Metab Cardiovasc Dis]]></source>
<year>2007</year>
<volume>17</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>74-81</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Assessing dietary intake in children and adolescents: Considerations and recommendations for obesity research]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Magarey]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Watson]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Golley]]></surname>
<given-names><![CDATA[RK]]></given-names>
</name>
<name>
<surname><![CDATA[Burrows]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Sutherland]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[McNaughton]]></surname>
<given-names><![CDATA[SA]]></given-names>
</name>
</person-group>
<source><![CDATA[Int J Ped Obes]]></source>
<year>2011</year>
<volume>6</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>2-11</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
