0104-7043 0104-7043 S0104-70432017000300135 10.21879/faeeba2358-0194.v26.n50.135158 Brazil Brazil Brazil 00 12 2017 00 12 2017 26 50 135 158

4 4 86-97 1 1 1 57-66 19 2 2 43-53 7 7 109-15 2 1 1 59-82