0120-8748 0120-8748 S0120-87482019000200111 10.22379/24224022241 Colombia Colombia 00 06 2019 00 06 2019 35 2 111 115

1 2013 29 2 2 73-86 2 2014 13 12 12 1202-15 3 1996 53 3 3 233-9 4 2008 8 5 5 383-92 5 1992 55 4 4 252-4 6 1989 20 8 8 1095-9 7 2012 18 1 1 17-22 8 World Health Organization 2015