1. Landspítali National University Hospital Reykjavík Iceland
2. Faculty of Medicine University of Iceland Reykjavik Iceland
3. Department of Medicine Division of Hematology Karolinska University Hospital and Karolinska Institutet Stockholm Sweden
4. Hematology South Elvsborg Hospital Boras Sweden
5. Department of hematology Sahlgrenska University Hospital Gothenburg Sweden
6. Skåne University Hospital Malmö/Lund Sweden
7. Myeloma Service Division of Hematologic Oncology Memorial Sloan‐Kettering Cancer Center New York NY USA
8. Myeloma Program Sylvester Comprehensive Cancer Center University of Miami Miami FL USA