1519-3993 1519-3993 S1519-39932016000100001 10.5965/151939932112016017 Brazil 00 04 2016 00 04 2016 21 1 1 17

45 45 57-67 42 42 119-42 45 45 2-20 11 4 4 307-13 41 2 2 64-70 48 3 3 135-47 23 614-28