E.M Smithwick -
Memorial Sloan-Kettering Cancer Centre, New York, N.Y. 10021, U.S.A
M Finelt -
Memorial Sloan-Kettering Cancer Centre, New York, N.Y. 10021, U.S.A
S Pahwa -
Memorial Sloan-Kettering Cancer Centre, New York, N.Y. 10021, U.S.A
R.A Good -
Memorial Sloan-Kettering Cancer Centre, New York, N.Y. 10021, U.S.A
C.K Naspitz -
Escola Paulista de Medicina, São Paulo, Brasil
N.F Mendes -
Escola Paulista de Medicina, São Paulo, Brasil
S Kopersztyck -
Escola Paulista de Medicina, São Paulo, Brasil
T.J Spira -
Center for Disease Control, Atlanta, United States
A.J Nahmias -
Emory University Medical School, Atlanta, United States