0016-3813 0016-3813 S0016-38132020000400270 10.24875/gmm.m20000397 Mexico Mexico Mexico 00 08 2020 00 08 2020 156 4 270 275

1 2008 2 World Health Organization [Internet] 2016 3 2008 198 962-70 4 2009 361 2582-3 5 2014 12 252-62 6 2013 229 535-45 7 2006 19 571-82 8 2014 82 3289-98 9 2009 58 1071-4 10 2010 50 1498-504 11 2007 1096 1-17 12 1997 19 113-36 13 2014 Second edition 37-88 14 2013 309 275-82 15 2015 89 2013-223 16 2016 238 85-97