[1] Univ Fed Bahia, Fac Med, Salvador, BA, Brazil
[2] Hosp Agamenon Magalhaes, Recife, PE, Brazil
[3] UFPR, Hosp Clin, Curitiba, Parana, Brazil
[4] Santa Casa Misercordia Santos, Santos, Brazil
[5] Hosp Univ Pedro Ernesto UERJ, Rio De Janeiro, Brazil
[6] Hosp Nove Julho, Sao Paulo, Brazil
[7] Hosp Copa DOr, Rio De Janeiro, Brazil
[8] Hosp Madre Teresa, Belo Horizonte, MG, Brazil