0102-4698 0102-4698 S0102-46982019000100703 10.1590/0102-4698215030 Brazil 00 01 2019 00 01 2019 35 2003 2015 2016 22 4 4 1091-104 2017 2004 a 22 3 3 83-119 2004 22 22 22 63-92