0120-4157 0120-4157 S0120-41572019000600020 10.7705/biomedica.v39i3.4471 Colombia Colombia Colombia Colombia Germany Colombia 00 08 2019 00 08 2019 39 20 25

1 2009 9 376-83 2 2001 Second edition 51-2 3 2004 47 4-13 4 2004 38 206-16 5 2017 39 462-6 6 2015 Eight edition 3003-15 7 2016 54 111-9 8 2011 60 1872-4 9 1996 33 95-101 10 2013 27 305-16 11 Centers for Disease Control and Prevention 2002 51 1109-12 12 2014 371 150-60 13 2009 47 3-15 14 2011 138 504-7 15 2003 5 104-7 16 2001 14 679-84 17 2008 101 292-6 18 2009 48 1033-41 19 2014 16 449 20 2005 51 e285-8