0123-2126 0123-2126 S0123-21262017000200213 10.11144/javeriana.iyu21-2.rsic Colombia USA Colombia 00 12 2017 00 12 2017 21 2 213 229

[1] 2016 55 9584-93 [2] 2016 9 3904-8 [3] 2016 49 10 10 2070-9 [4] 2017 [5] 2009 [6] 2015 54 9875-82 [7] 2010 49 36 36 6824-33 [8] 2014 31 1 1 105-15 [9] 2016 11 33 33 2312-22 [10] 2015 A 32 32 80-9 [11] 2012 716-9 [12] 2013 22 3 3 941-54 [13] 2008 806-12 [14] 2011 12 10 10 3413-30 [15] 2010 20 4 4 1956-82 [16] 2016 62 11 11 6535-79 [17] 2011 [18] 2016 54 3 3 1376-89 [19] 2016 2300-8 [20] 2016 1-5 [21] 2009 [22] 2010 56 9 9 4402-16 [23] 2012 4 4 4 333-61 [24] 2009 [25] 2014 7789-93 [26] 2008