2236-3459 2236-3459 S2236-34592018000100280 10.1590/2236-3459/69601 Brazil 00 04 2018 00 04 2018 22 54 280 298

41 27 27 81-106 1-11 2 2 206-42 01 02 02 297-304 39 1 1 39-56 1-17 2 3 3 257-67 278-321 3 1-14 20 2 2 71-99 3 1-15 21 21 90-170 7-18