1. Myeloma Unit, Division of Hematology, University of Torino, Azienda Ospedaliero‐Universitaria Città della Salute e della Scienza di TorinoUniversity of Torino Torino Italy
2. Department of Medical Sciences, Internal Medicine and Hypertension Division, AOU Città della Salute e della Scienza di Torino, Rete Oncologica Piemontese University of Torino Torino Italy
3. University of L'Aquila, MeSVA Department ‐ San Salvatore Hospital Division of Internal Medicine & Nephrology Coppito Italy
4. Department of Medicine I, Hematology, Oncology & Stem Cell Transplantation, Medical Center – University of Freiburg, Faculty of Medicine University of Freiburg Freiburg Germany
5. Clinica di Ematologia AOU Ospedali Riuniti di Ancona Ancona Italy
6. Amsterdam UMC, Vrije Universiteit Amsterdam, VU University Medical Center, Department of Hematology Cancer Center Amsterdam Amsterdam the Netherlands
7. Department of Clinical Therapeutics National and Kapodistrian University of Athens, School of Medicine Athens Greece
8. University Clinic Heidelberg Internal Medicine V and National Center for Tumor Diseases (NCT) Heidelberg Germany
9. ‘Seràgnoli’ Institute of Hematology and Medical Oncology University of Bologna Bologna Italy
10. 1. Medical Department and Oncology Wilhelminenspital Wien Vienna Austria
11. Department of Oncology and Hematology Kantonsspital St. Gallen St. Gallen Switzerland
12. Faculty of Medicine, Department of Medicine Imperial College London London UK
13. Department of Hematology Domaine University Liege Liege Belgium
14. Division of Stem Cell Transplantation and Immunotherapy University of Kiel KielGermany
15. Department of Internal Medicine II University Hospital Würzburg Würzburg Germany
16. Department of Hematology Erasmus Medical Center Rotterdam the Netherlands