1517-9702 1517-9702 S1517-97022017000300727 10.1590/S1517-9702201702152782 Brasil 00 09 2017 00 09 2017 43 3 727 742

13-38 1 1 1 122-29 21-53 61-85 24 1 1 31-50 25 25 54-77 158 158 25 3 3 523-41 6 1 1 25-42 18-40 7 20 20 40-5