0122-3461 0122-3461 S0122-34612020000100148 10.14482/inde.38.1.629.25 Ecuador Ecuador Ecuador Ecuador 00 06 2020 00 06 2020 38 1 148 162

[1] 2018 140 707-15 [2] 2018 5 4 4 318-34 [3] 2018 231 396-403 [4] 2002 [5] 2011 45 7 7 1413-7 [6] 2002 216 6 6 473-7 [7] 2006 17 5 5 21-30 [8] 2006 17 5 5 31-41 [9] 2009 48 48 45-54 [10] 2017 28 1 1 3-12 [11] 2017 40 1 1 59-67 [12] 2016 182 507-17 [13] 2017 621 282-90 [14] 2011 90 6 6 2340-2 [15] 2015 101 58-64