1. Department of Internal Medicine, Landspitali–The National University Hospital of Iceland, Reykjavik, Iceland;
2. Faculty of Medicine, University of Iceland, Reykjavik, Iceland;
3. Division of Hematology, Department of Medicine, Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden;
4. Icelandic Heart Association, Kopavogur, Iceland;
5. Center for Cancer Research, National Cancer Institute, and
6. National Institute on Aging, National Institutes of Health, Bethesda, MD; and
7. Myeloma Service, Division of Hematologic Oncology, Memorial Sloan Kettering Cancer Center, New York, NY