[1] Karolinska Univ Hosp, Div Hematol, Dept Med, Stockholm, Sweden
[2] Karolinska Inst, Stockholm, Sweden
[3] Univ Iceland, Fac Med, Reykjavik, Iceland
[4] NCI, NIH, Ctr Canc Res, Bethesda, MD USA
[5] Myeloma Serv, Mem Sloan Kettering Canc Ctr, Div Hematol Oncol, Dept Med, New York, NY USA
[6] Iceland Heart Assoc, Kopavogur, Iceland
[7] Natl Inst Aging, Natl Inst Hlth NIH, Bethesda, MD USA
[8] Myeloma Serv, Mem Sloan Kettering Canc Ctr, Dept Med, New York, NY USA