0123-9392 0123-9392 S0123-93922018000400178 10.22354/in.v22i4.735 Ecuador Ecuador Ecuador 00 12 2018 00 12 2018 22 4 178 184

1 2015 72-102 2 World Health Organization 2016 3 2011 15 4 4 189-94 4 2005 171 7 7 699-706 5 World Health Organization 2015 6 2002 36 4 4 525-32 7 2003 47 4 4 1241-50 8 2015 59 1 1 414-20 9 2005 3 3 3 e00499-15 10 2015 211 ^s2 ^s2 2 S50-7 11 2014 14 1 1 21 12 2014 52 3 3 781-9 13 2014 48 249-55 14 2016 23 1 1 22-6 15 2016 6 113-7 16 2014 14 113 17 2016 40 8-16 18 2006 50 8 8 2640-9 19 2003 52 11 11 999-1003 20 2005 49 1 1 144-7 21 2009 27 9 9 496-502 22 2009 9 6 6 1352 23 1963 27 172-217 24 2001 249 1 1 1-26 25 2015 62 1 1 13-22 26 2010 28 9 9 621-8 27 2012 29 6 6 607-13 28 2016 22 3 3 174-9 29 2016 20 8 8 1099-104 30 2017 5 3 3 143-7 31 2005 24 1 1 23-31 32 2009 69 12 12 1555-623 33 2001 12 215-23 34 2006 30 1 1 36-52 35 2002 8 11 11 714 36 2012 56 5 5 2643-51 37 2012 81-108 38 2016 29 3 3 443-9 39 2017 11 2 2 1-12 40 2017 55 117-26 41 2016 97 57-64 42 2007 7 328-37 43 2011 29 ^s1 ^s1 1 8-13 44 2016 111 2 2 93-100 45 2017 17 3 3 275-2 84 46 2017 23 2 2 61-8 47 2017 55 5 5 1285-98