0012-7353 0012-7353 S0012-73532020000200091 10.15446/dyna.v87n213.81082 Colombia Colombia 00 06 2020 00 06 2020 87 213 91 97

[1] 2015 184 171-8 [2] 2013 Second 309-12 [3] 2014 155 245-53 [4] 2009 120 1 1 101-6 [5] 2014 11 22 22 6169-77 [6] 2013 27 175-90 [7] 2012 94 1 1 103-12 [8] 1999 9 4 4 618-24 [9] 2009 56 [10] 2014 37 116-26 [11] 2012 196 8-17 [12] [13] 2006 [14] 2010 41 1 1 19-24 [15] 2009 41 12 12 1269-75 [16] 2009 122 2 2 179-86 [17] 2012 71-88 [18] 2006 22 2 2 85-102 [19] 2011 7 14 14 49-70 [20] 2013 18 271-87