1. Department of Medicine; Karolinska Institutet; Stockholm Sweden
2. KG Jebsen Center for Myeloma Research; Department of Cancer Research and Molecular Medicine; Norwegian University of Science and Technology; Trondheim Norway
3. Department of Pathology; St Olavs Hospital; Trondheim Norway
4. PharmacoEpidemiology & PharmacoEconomics (PE2); University of Groningen; Groningen The Netherlands
5. Department of Epidemiology; University Medical Center Groningen; Groningen The Netherlands
6. Department of Pathology; Odense University Hospital; Odense Denmark
7. Department of Oncology; St Olavs Hospital; Trondheim Norway
8. Department of Hematology; St Olavs Hospital; Trondheim Norway
9. Department of Hematology; Odense University Hospital; Odense Denmark
10. Department of Oncology; Institute of Clinical Sciences; Sahlgrenska Academy at University of Gothenburg; Gothenburg Sweden