1. Department of Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen University of Duisburg‐Essen Essen Germany
2. Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico Milan Italy
3. UCLH Centre for Waldenström's Macroglobulinemia and Related Conditions University College London Hospitals NHS Foundation Trust London UK
4. Department of Hematology Saitama Medical University Saitama Japan
5. Division of Hematology MedStar Georgetown University Hospital Washington DC USA
6. Henri‐Mondor University Hospital, Assistance Publique‐Hôpitaux de Paris UPEC Créteil France
7. Division of Hematology, Massachusetts General Hospital Harvard Medical School Boston Massachusetts USA
8. Department of Clinical Pharmacology Medical University of Vienna Vienna Austria
9. Section for Hematology, Department of Medicine Haukeland University Hospital Bergen Norway
10. Keck School of Medicine of USC Los Angeles California USA
11. Sanofi Cambridge Massachusetts USA
12. IQVIA Bangalore India
13. Sanofi Paris France
14. Sanofi Bridgewater New Jersey USA
15. Sanofi Warsaw Poland
16. Department of Research and Innovation Haugesund Hospital Haugesund Norway