1. Division of Hematologic Malignancies and Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA;
2. Department of Biostatistics and Computational Biology, Dana-Farber Cancer Institute, Boston, MA;
3. Institute of Hematology “L. e A. Seràgnoli,” University of Bologna, Bologna, Italy;
4. Humanitas Clinical & Research Center, Milan, Italy;
5. Department of Oncology and Hematology, University of Milan, Milan, Italy;
6. Mayo Clinic, Rochester, MN;
7. Department of Medicine, Adult Bone Marrow Transplant Service, Memorial Sloan Kettering Cancer Center, New York, NY;
8. Division of Hematology and Bone-Marrow Transplantation, Chaim Sheba Medical Center, Tel Hashomer, Israel;
9. Huntsman Cancer Institute, Salt Lake City, UT;
10. Centre Hospitalier Universitaire (CHU) Rennes, Service Hématologie Clinique, Rennes, France;
11. INSERM, Rennes, France;
12. Hôpital Saint Louis, Service Hématologie Adolescents et Jeunes Adultes, Assistance Publique-Hôpitaux de Paris, Paris, France;
13. Centre Hospitalier Princesse Grace, Service Médecine Interne et Onco-Hématologie, Monaco, France;
14. CHU Grenoble, Clinique Universitaire d’Hématologie, Grenoble, France;
15. CHU Angers, Service Maladies du Sang, Angers, France;
16. Centre Henri Becquerel, Service Hématologie Clinique, Rouen, France;
17. CHU Nice, Service Hématologie et Onco-Hématologie Pédiatrique, Nice, France;
18. Hospices Civils de Lyon, Service d'Hématologie Clinique, Lyon, France;
19. Division of Hematology, Oncology, and Transplantation, University of Minnesota, Minneapolis, MN;
20. Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA; and
21. University College of Medicine, Seoul National University, Seoul, South Korea