0012-7353 0012-7353 S0012-73532019000200271 10.15446/dyna.v86n209.75648 Colombia Switzerland 00 06 2019 00 06 2019 86 209 271 280

[1] 1973 21 1-3 1-3 1-132 [2] 2016 38 1 1 33-50 [3] 2018 40 1 1 123-44 [4] 2016 58 15 15 1914-39 [5] 2005 27 2 2 43-68 [6] 2008 12 2 2 125-55 [7] 2010 29 4 4 764-71 [8] 2016 31 271-94 [9] 2017 44 3 3 307-27 [10] 2003 79 815-48 [11] 1988 1 17-41 [12] 2001 92 [13] 1985 300 445-50 [14] 2012 [15] 1997 150 3-4 3-4 427-41 [16] 2006 26 372-82 [17] 2016 40 155 155 320-36 [18] 2012 38 1-12 [19] 2006 47 6 6 [20] 2011 18 26-30 [21] 1985 312 [22] 1994 58 4955-72 [23] 1994 64 68-73 [24] 1989 21 169-200 [25] 1993 284 Colorado, U.S.A 21-40 [26] 2001 2 1021-45 [27] 1974 38 5 5 757-75 [28] 2010 95 1006-16 [29] 1988 29 2 2 445-522 [30] 1981 301 381-99