0121-750X 0121-750X S0121-750X2018000300230 10.14483/23448393.13316 Colombia Colombia 00 12 2018 00 12 2018 23 3 230 251

[1] 2009 22 38 38 145-67 [2] 2010 202 1 1 16-24 [3] 2013 [4] 2011 38 1 1 334-42 [5] 2010 [6] 2006 22 99 99 69-88 [7] 2013 18 2 2 85-96 [8] 2016 21 2 2 235-47 [9] 2013 18 2 2 68-84 [10] July, 2009 Pennsylvania [11] 1998 56 199-212 [12] 2001 7 2 2 75-89 [13] 2010 37 2 2 1235-40 [14] 2013 40 10 10 3872-85 [15] 2017 110 67-74 [16] 2009 36 10 10 12179-87 [17] 2013 31 1 1 1-21 [18] 2013 37 7 7 4733-46 [19] 2009 57 4 4 1282-90 [20] 2014 41 2 2 671-8 [21] 2008 186 3 3 1059-67 [22] 2004 [23] 2006 [24] 2010 [25] 2010 [26] 2017 57 4 4 330-41 [27] 1988