2175-3520 2175-3520 S2175-35202017000100047 10.5935/2175-3520.20170005 Brazil Brazil 00 06 2017 00 06 2017 44 47 56

27 6 6 961-78 81 211-20 25 5 5 763-82 8 1 1 68-78 21 1 1 82-101 9 1 1 13-22 41 1 1 5-20 29 1 1 15-30 41 1 1 5-20 33 2 2 139-54