[1] Washington Univ, Sch Med, Div Med Oncol, St Louis, MO USA
[2] Wake Forest Univ Hlth Sci, Ctr Comprehens Canc, Winston Salem, NC USA
[3] Yale Canc Ctr, New Haven, CT USA
[4] MD Anderson Canc Ctr, Dept Lymphoma & Myeloma, Houston, TX USA
[5] H Lee Moffitt Canc Ctr & Res Inst, Div Hematol & Oncol, Tampa, FL USA
[6] MedImmune Oncol Inc, Clin Dev, Gaithersburg, MD USA