1. Department of Tumor Immunology, Radboud Institute of Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands;
2. St. James’s Institute of Oncology, Leeds, United Kingdom;
3. Department of Hematology and Bone Marrow Transplantation, Hôpital Saint-Louis/Assistance Publique-Hôpitaux de Paris (AP-HP)/University Paris 7, Paris, France;
4. Policlinica San Matteo, University of Pavia, Pavia, Italy;
5. Division of Hematology, Oncology, and Hemostasiology, University of Leipzig, Leipzig, Germany;
6. Centre International de Recherche sur l’Inflammation de Lille, INSERM U995/Centre Hospitalier Universitaire/Université Lille 2, Lille, France;
7. Department of Haematological Medicine, School of Medicine, Guy’s, King’s College and St. Thomas’s Hospitals, London, United Kingdom;
8. Service d’Hématologie Seniors, Hôpital Saint-Louis/AP-HP/University Paris 7, Paris, France;
9. Hospital Universitario La Fe, Valencia, Spain;
10. Division of Clinical Hematology, Hematology Department, Hospital de la Santa Creu i Sant Pau/Autonomous University of Barcelona, Barcelona, Spain;
11. Clinica Ematologica, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Policlinico San Matteo, Pavia, Italy;
12. Hematology and Bone Marrow Transplantation Center, Fondazione IRCCS Ospedale Maggiore Policlinico/University of Milan, Milan, Italy;
13. Hematology Division, Department of Internal Medicine, University of Patras Medical School, Patras, Greece;
14. Hematology Division, Basel University Hospital, Basel, Switzerland;
15. Medical Faculty, University Hospital Düsseldorf/Heinrich Heine University, Düsseldorf, Germany;
16. Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, Hannover, Germany;
17. Medizinische Klinik und Poliklinik I, Universitätsklinikum Carl Gustav Carus, Dresden, Germany;
18. Department of Medicine, Hematology, and Oncology, Faculty of Medicine, University of Freiburg, Freiburg, Germany;
19. Internal Medicine, Maastricht University Medical Center, Maastricht, The Netherlands;
20. Department of Hematology, Vrije Universiteit (VU) University Medical Center, Amsterdam, The Netherlands;
21. Karolinska University Hospital, Huddinge, Sweden;
22. Department of Internal Medicine V, Innsbruck Medical University, Innsbruck, Austria;
23. Comprehensive Cancer Center, Helsinki University Hospital, Helsinki, Finland;
24. Fred Hutchinson Cancer Research Center, Seattle, WA;
25. University of Washington, Seattle, WA;
26. Dana-Farber Cancer Institute, Boston, MA;
27. Center for International Blood and Marrow Transplant Research, Medical College of Wisconsin, Milwaukee, WI;
28. Department of Stem Cell Transplant and Cellular Therapy, University of Texas MD Anderson Cancer Center, Houston, TX;
29. Adult Bone Marrow Transplant Service, Memorial Sloan Kettering Cancer Center, New York, NY;
30. Moffitt Cancer Center, Tampa, FL; and
31. Department for Stem Cell Transplantation, University Medical Center Hamburg-Eppendorf, Hamburg, Germany