0120-3347 0120-3347 S0120-33472018000400292 10.1097/cj9.0000000000000073 Colombia Colombia 00 12 2018 00 12 2018 46 4 292 299

1 2008 18 289-96 2 2007 105 344-50 3 2008 18 297-302 4 2009 22 388-95 5 2001 95 299-306 6 1987 31 244-52 7 2002 12 762-9 8 1994 78 659-62 9 2000 47 315-8 10 2007 46 947-54 11 2001 32 26-33 12 1996 85 475-80 13 14 2006 16 1144-7 15 2012 116 458-71 16 1997 9 4-7 17 1998 45 150-2 18 1996 76 874-6 19 1991 73 266-70 20 2013 30 1-8 21 2005 14