0379-3982 0379-3982 S0379-39822017000200067 10.18845/tm.v30i2.3198 Costa Rica 00 06 2017 00 06 2017 30 2 67 74

[1] 2009 [2] 2016 54-69 [3] 2013 111-22 [4] 2008 10 1 1 14-9 [5] 2013 16 64 64 55-66 [6] 2005 [7] 2014 32 4 4 309-12 [8] 2014 34 1 1 77-88 [9] National Academies of Sciences, Engineering, and Medicine 2016 [10] 2012 1era [11] 2004 75 34-7 [12] 2014 65 769-90 [13] 2013 53 37-45 [14] 2013 166 1 1 42-50 [15] 2011 29 8 8 706 [16] 2015 141 24-7 [17] 2015 [18] 2016 144 29-31 [19] 2015 33 1 1 12-3 [20] 2015 [21] 2010