[1] City Hope Comprehens Canc Ctr, Dept Med Oncol & Expt Therapeut, Duarte, CA 91010 USA
[2] Inst Hemomed Oncol & Hematol, Div Med Oncol, Ave Arnolfo de Azevedo,121 Cerqueira Cesar, BR-01248040 Sao Paulo, Brazil
[3] Istanbul Medeniyet Univ, Dept Internal Med, Goztepe Res & Training Hosp, Istanbul, Turkey