0120-3347 0120-3347 S0120-33472020000200102 10.1097/cj9.0000000000000157 Colombia Colombia Colombia 00 06 2020 00 06 2020 48 2 102 103 1 2020 48 3-11 2 2020 48 12-9 3 2020 48 20-9 4 2020 48 30-7 5 2020 48 38-9 6 2020 48 40-4 7 2020 48 45-9 8 2020 48 55-6