0101-7136 0101-7136 S0101-71362016000300585 10.5216/ia.v41i3.41880 Brazil Brazil Brazil 00 12 2016 00 12 2016 41 3 585 604

24 24 17-24 71 71 116-31 50 50 21-9 12 3 3 299-313 7 75-83 12 12 38-42 23 2 2 273-83 24 24 32-43