1676-2592 1676-2592 S1676-25922015000200308 10.2592/EDT17N2A20150006 Brazil Brazil 00 05 2015 00 05 2015 17 2 308 327

1 2 2 1-12 30 106 106 263-80 6 10 10 95-104 34 124 124 925-41 9 9 9 45-70 14 14 14 127-40 21 1 1 67-75 14 36 36 26-42