1679-4974 1679-4974 S1679-49742017000300661 10.5123/s1679-49742017000300023 Brazil 00 09 2017 00 09 2017 26 3 661 664 2012 21 2 2 351-2 2011 383 p 2016 25 2 2 427-36 2015 24 3 3 577-601