2177-6059 2177-6059 S2177-60592017000200331 10.18593/r.v42i2.12868 Brazil 00 08 2017 00 08 2017 42 2 331 353

19 19 5-23 10 14 14 15-32 17 17 113-34 40 3 3 813-28 1 17 17 52-65 16 16 27-34 26 2 2 223-39