[1] Fred Hutchinson Canc Res Ctr, Div Clin Res, 1124 Columbia St, Seattle, WA 98104 USA
[2] Univ Washington, Dept Med, Seattle, WA USA
[3] Mem Sloan Kettering Canc Ctr, Dept Med, Myeloma Serv, 1275 York Ave, New York, NY 10021 USA
[4] NCI, Ctr Canc Res, Lymphoid Malignancies Branch, Multiple Myeloma Program,NIH, Bethesda, MD 20892 USA
[5] Univ Toronto, Princess Margaret Canc Ctr, Toronto, ON, Canada
[6] Icahn Sch Med Mt Sinai, Human Immune Monitoring Ctr, New York, NY 10029 USA