[1] SAO PAULO UNIV HOSP,FAC MED,INST CORACAO,TRANSPLANTAT IMMUNOL LAB,BR-05403000 SAO PAULO,BRAZIL
[2] SAO PAULO UNIV HOSP,FAC MED,INST CORACAO,DIV SURG CARDIOL,BR-05403000 SAO PAULO,BRAZIL
[3] SAO PAULO UNIV HOSP,FAC MED,INST CORACAO,DIV CLIN CARDIOL,BR-05403000 SAO PAULO,BRAZIL
[4] UNIV SAO PAULO,INST QUIM,BR-05403000 SAO PAULO,BRAZIL
[5] FED UNIV PARANA,HOSP CINICAS,IMMUNOPATHOL LAB,CURITIBA,PARANA,BRAZIL
[6] UNIV NACL COLOMBIA,HOSP SAN JUAN DE DIOS,INST IMMUNOL,BOGOTA,COLOMBIA