1. Department of Medical Oncology Jerome Lipper Multiple Myeloma Center Dana‐Farber Cancer Institute Harvard Medical School Boston Massachusetts USA
2. Oslo Myeloma Center at Oslo University Hospital KG Jebsen Center for B‐Cell Malignancies University of Oslo Oslo Norway
3. Department of Oncology, Hematology and Bone Marrow Transplantation with Section of Pneumology University Medical Center Hamburg‐Eppendorf Hamburg Germany
4. University Hospital Hôtel‐Dieu Nantes France
5. University of Texas Southwestern Medical Center Dallas Texas USA
6. Dalhousie University and Queen Elizabeth II Health Sciences Centre Halifax NS Canada
7. Clinica Universidad de NavarraCIMAIDISNA Pamplona Spain
8. Erasmus MC Cancer Institute Rotterdam The Netherlands
9. Universitätsklinikum Freiburg Freiburg Germany
10. Southampton General Hospital Southampton UK
11. Policlinico San Matteo Universita Di Pavia Pavia Italy
12. University Hospital Essen Essen Germany
13. Centre Hospitalier Universitaire De Sherbrooke (CHUS) Centre de Recherche Clinique Etienne‐Le Bel (CRCELB) Hopital Fleurimont Sherbrooke QC Canada
14. Copenhagen University HospitalRigshospitalet Copenhagen Denmark
15. Ankara University Ankara Turkey
16. Institut Català d'Oncologia I Institut Josep Carreras Hospital Germans Trias i Pujol Badalona Spain
17. East Kent Hospitals University NHS Foundation TrustKent and Canterbury Hospital Canterbury UK
18. University of Perugia Perugia Italy
19. Ospedale Papa Giovanni XXIIIU.O. di EmatologiaIspedali Riuniti di Bergamo Bergamo Italy
20. Medical University of Lodz Lodz Poland
21. A.O.U. Citta della Salute e della Scienza di Torino Torino Italy
22. Gazi University Medical Faculty Ankara Turkey
23. Ege University Izmir Turkey
24. West Virginia University Morgantown West Virginia USA
25. Bristol Myers Squibb Princeton New Jersey USA
26. Celgene International Sàrl, a Bristol‐Myers Squibb Company Boudry Switzerland
27. National and Kapodistrian University of Athens Athens Greece