1. Department of Internal Medicine III, University of Ulm, Ulm, Germany;
2. Seattle Cancer Center Alliance, WA;
3. Department of Hematology, Tor Vergata University Hospital, Rome, Italy;
4. Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA;
5. Department of Hematology/Oncology, University of Münster, Münster, Germany;
6. Department of Haematology, University of Wales College of Medicine, Cardiff, United Kingdom;
7. Institut Universitaire d‘Hématologie Hôpital St. Louis, Assistance Publique-Hôpitaux de Paris, Paris, France;
8. Service d'Hématologie Clinique, Hôpital Avicenne, Bobigny, France;
9. Department of Medical and Molecular Genetics, Guy's King's and St. Thomas' School of Medicine, London, United Kingdom;
10. Department of Medicine and Cancer Research Center, University of Chicago, IL;
11. Department of Biopathology, University Tor Vergata and Santa Lucia Foundation at Centro Europeo per la Ricerca sul Cervello, Rome, Italy;
12. Department of Hematology, Nagoya University Hospital, Showa-ku, Japan;
13. Department of Hematology, Oncology and Hemostasis, University of Leipzig, Leipzig, Germany;
14. Department of Haematology, VU University Medical Center, Amsterdam, The Netherlands;
15. Hematology and Bone Marrow Transplant Unit, University Hospital La Fe, Valencia, Spain;
16. Clinical Hematology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain;
17. Division of Hematology-Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL;
18. Department of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands; and
19. The Ohio State University Comprehensive Cancer Center, Arthur G. James Cancer Hospital, Columbus