2236-3459 2236-3459 S2236-34592016000300119 10.1590/2236-3459/624037 Brazil 00 09 2016 00 09 2016 20 50 119 138

58 58 59-88 2 2 177-229 74 74 5-38 13 27 27 9-75 12 2 2 176-89 5 7 7 111-26 12 30 30 179-97 20 51 51 9-28 58 58 71-102 33 33 7-47