0123-9392 0123-9392 S0123-93922019000300213 10.22354/in.v23i3.782 Colombia 00 09 2019 00 09 2019 23 3 213 214 1 2017 23 2 2 177-83 2 2017 23 1 1 162-4 3 2017 72 4 4 969-74 4 2017 17 12 12 e383-92 5 2019 23 3 3 270-313