1981-4690 1981-4690 S1981-46902015000100081 10.1590/1807-55092015000100081 Brazil Brazil Brazil 00 03 2015 00 03 2015 29 1 81 93

1 2 3 9 25-34 4 4 63-86 5 9 123-38 6 1 213-18 7 86-92 8 9 10 11 12 13 3 14 15 16 17 116-24 18 19 94-102 20 119-61 21 22 4 1-22 23 25 167-80 24 25 14 237-53 26 27 17 6-17 28 16 135-48 29 30 4 1-21 31 1