0012-7353 0012-7353 S0012-73532018000300069 10.15446/dyna.v85n206.72136 Colombia Colombia 00 09 2018 00 09 2018 85 206 69 78

[1] 2017 101-9 [2] 2008 62 62 136-42 [3] 2007 61 61 [4] 2015 [5] 2004 4 4 2047-50 [6] 2014 6 6 35-44 [7] 2011 13 13 2638-50 [8] 2009 19 19 7839-47 [9] 2012 [10] 2015 259-75 [11] 2015 44 44 5778-92 [12] 2007 2 2 129-41 [13] 2008 20 20 4225-41 [14] 2013 1-12 [15] 2000 1 1 18-52 [16] 2017 102 102 526-38 [17] 2015 134 134 114-20 [18] 2016 18 18 [19] 2016 6 6 33092-100 [20] 2018 111 111 1281-92 [21] 2017 [22] 2010 356 356 344-50 [23] 2016 380 380 2658-63 [24] 2011 2011 6 6 569-74 [25] 2016 47 47 151-5 [26] 2017 12 12 1-15 [27] 2014 1-8 [28] 2016 6 6 [29] 2016 6 6 [30] 2004 108 108 7006-11 [31] 2013 7 7 28-32 [32] 2015 7 7 11273-9 [33] 2009 4 4 171-9 [34] 2011 38 38 31-8 [35] 2007 79 79 4215-21 [36] 2014 [37] 2017 [38] 2009 28 28 2522-30