1. 1Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA
2. 2Istituto di Ricovero e Cura a Carattere Scientifico, Azienda Ospedaliero-Universitaria di Bologna, Istituto di Ematologia “Seràgnoli”, Bologna, Italy
3. 3Dipartimento di Scienze Mediche e Chirurgiche, Università di Bologna, Bologna, Italy
4. 4Department of Lymphoma/Myeloma, The University of Texas MD Anderson Cancer Center, Houston, TX
5. 5Department of Medicine, Jewish General Hospital, Montreal, QC, Canada
6. 6Hémato-Oncologie, Hôpital Saint-Louis, Paris, France
7. 7Department of Medical Oncology, NIHR Clinical Research Facility, the Christie NHS Foundation Trust and University of Manchester, Manchester Academic Health Science Centre, Manchester, United Kingdom
8. 8Early Drug Department (DITEP), Gustave Roussy, Villejuif, France
9. 9Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
10. 10Department of Hematology and Bone Marrow Transplantation, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, Greece
11. 11Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, Nagoya, Japan
12. 12Department I of Internal Medicine, Medical Faculty and University Hospital Cologne, University of Cologne, Cologne, Germany
13. 13Department of Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
14. 14Department of Hematology and Hematopoietic Cell Transplantation, City of Hope, Duarte, CA
15. 15Department of Medical Oncology, Merck & Co. Inc, Rahway, NJ
16. 16Department of Medicine, University of Miami Sylvester Comprehensive Cancer Center, Miami, FL