0102-5473 0102-5473 S0102-54732017000100113 10.5007/2175-795X.2017v35n1p113 Brazil Brazil 00 03 2017 00 03 2017 35 1 113 133

37 2 2 353-81 23 2 2 19-31 13 2 2 234-55 44 4 4 652-67 17 50 50 283-302 2 4 4 5- 17 71 71 145-48 56 56 9-23 55 55 9-29