0120-3347 0120-3347 S0120-33472020000200100 10.1097/cj9.0000000000000160 Colombia Colombia 00 06 2020 00 06 2020 48 2 100 101 1 2019 Bucaramanga, Colombia 2 2000 3 2018 34 257-8 4 2012 117 243-51