1692-3324 1692-3324 S1692-33242018000200121 10.22395/rium.v17n33a6 Colombia Colombia Colombia Colombia México 00 12 2018 00 12 2018 17 33 121 137

[1] 2006 [2] 2007 [3] 2015 [4] 2012 2 29-50 [5] 2013 86 1978-2001 [6] 2006 [7] 2011 4 156-65 [8] 2008 178 3075-95 [9] 2012 [10] 2011 43 11-29 [11] 2011 7 1375-85 [12] 2010 [13] 2015 [14] 2010 83 1662-77 [15] 2004 30 418-21 [16] 2012 1508-13 [17] 2013 [18] 2003 Portland, Oregon [19] 2008 308 2709-22 [20] 2012 39 249-56