1517-9702 1517-9702 S1517-97022015000300647 10.1590/S1517-9702201507130507 Brasil 00 07 2015 00 07 2015 41 3 647 662

1-14 6 6 99-112 32 53 53 1-25 27 2 2 267-81 5 12 12 17-20 4 10 10 23-34 2010 Athens 7 7 227-40 85 4 4 723-35