0036-3634 0036-3634 S0036-36342019000200193 10.21149/9273 Mexico Canada 00 04 2019 00 04 2019 61 2 193 201

1 2013 13 245 2 2006 34 9 9 709-15 3 2015 70 4 2013 47 ^s1 ^s1 1 2-12 5 1983 33 2 2 152-70 6 2015 16 4 4 571-82 7 2001 11 4 4 286-91 8 2009 19 4 4 274-81 9 2014 13 2 2 316-9 10 2017 7 2 2 82-9 11 2003 31 6 6 412-6 12 2013 28 1 1 72-82. 13 2000 15 5 5 533-45 14 2016 5 1 1 1-6 15 2009 354-9 16 World Health Organization 2013 1 137 17 1993 101 1 1 21-5 18 2006 4 1 1 35-40 19 1993 101 6 6 422-7 20 2018 11 1 1 161-4 21 2017 18 1 1 1-9 22 2012 27 6 6 1081-90 23 2017 16 2 2 e23-30 24 2017 27 1 1 37-46 25 2016 7 2 2 127 26 2016 27 1 1 72-8 27 1980 2 1 1 31-6 28 2016 27 1 1 110-24 29 2015 32 1 1 44-50 30 2017 77 2 2 S8-31