1414-4077 1414-4077 S1414-40772021000200343 10.1590/s1414-40772021000200001 Brazil Brazil 00 05 2021 00 05 2021 26 2 343 346 1994 14-40 2021 8 1 1 1-8 2021 81 1 1 163-77 2018 10 9 2018 25 2 2 2016 72 4 4 505-23 2000 ONU 2019