1688-9339 1688-9339 S1688-93392019000200027 10.22592/ode2019n34a4 Ecuador Ecuador Ecuador 00 12 2019 00 12 2019 21 34 27 32

1 2012 16 1 1 26-31 2 2006 63 6 6 231-4 3 Organización mundial de la salud 2012 2003 31 1 1 3-23 5 2006 63 6 6 231-4 6 2015 485-90 7 2010 3 2 2 94-9 8 2013 23 2 2 101-8 9 1998 5 73 10 2011 11 2017 2 1 1 59-62 12 2009 6 2 2 78-83 13 2000 1 5 5 33-8 14 2011 13 5 5 844-52 15 2018 3 2 2 46-50