0124-0064 0124-0064 S0124-00642020000200117 10.15446/rsap.v22.85789 Switzerland Switzerland Colombia Colombia Colombia Switzerland 00 04 2020 00 04 2020 22 2 117 122

1 2004 49 4 4 257-61 2 2020 3 2020 69 8 8 216-9 4 19.0 3. 20 5 2020 6 2017 3 7 2020 8 2020 9 2020