0187-5337 0187-5337 S0187-53372022000200046 10.24875/per.22000008 México 00 12 2022 00 12 2022 36 2 46 50

1 2007 83 433-42 2 1980 69 771-3 3 American Academy of Pediatrics 1997 100 4 4 724-7 4 2015 151 741-8 5 2011 96 F305-9 6 2008 5th edition 7 2000 21 437-47 8 1992 12 164-72 9 2017 63 165-8 10 2005 13 79-85 11 2000 20 S77-87 12 2011 32 5-14 13 2001 58 843-53