0123-9392 0123-9392 S0123-93922017000100056 10.22354/in.v21i1.642 Colombia Colombia Colombia Cundinamarca Colombia 00 01 2017 00 01 2017 21 1 56 60

2015 Eighth ed 2819-31 World Health Organization 2014 389-400 Instituto Nacional de Salud 2015 2012 Third 1221-8 2008 78 518-21 1980 52 475-81 2010 18 91-5 2012 Eighth 2010 31 75-7 2004 75 242-53 2004 62 535-9 2013 84 41-50 2003 250 806-9 1988 56 56-60 1995 63 395-408 1990 61 1-11