1679-4974 1679-4974 S1679-49742017000400683 10.5123/s1679-49742017000400001 Brasil Brazil 00 12 2017 00 12 2017 26 4 683 684 1 2017 26 1 1 7-8 2 2017 26 2 2 243-4 3 2017 26 4 4 685-700 4 2014 2014 out 27-31 Belo Horizonte