0864-3466 0864-3466 S0864-34662018000100100 Colombia 00 03 2018 00 03 2018 44 1 100 109

World Health Organization 2011 2015 27 6 6 761-75 2010 2003 2003 2006 2013 2013 2014 13 27 27 12-26 2008 10 1 1 58-71 2010 9 18 18 86-102 2011 27 6 6 761-75