1. 1Dana-Farber Cancer Institute, Boston, MA
2. 2Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, Toronto, Canada
3. 3St. Vincent's Hospital Melbourne, University of Melbourne, Melbourne, Australia
4. 4NIHR UCLH Clinical Research Facility, University College London Hospitals NHS Foundation Trust, London, United Kingdom
5. 5Winship Cancer Institute, Emory University, Atlanta, GA
6. 6Department of Lymphoma & Myeloma, The University of Texas MD Anderson Cancer Center, Houston, TX
7. 7Division of Hematology-Oncology, Department of Medicine, Sungkyunkwan Univ. Sch. of Med. Samsung Medical Center, Seoul, Korea, Republic of (South)
8. 8University Hospital of Salamanca/IBSAL, Salamanca, Spain
9. 9The Royal Marsden NHS Foundation, London, United Kingdom
10. 10The Institute of Cancer Research, London, United Kingdom
11. 11Department of Clinical Haematology, Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom
12. 12Department of Hematology, Hospital 12 de Octubre, Complutense University, H12O-CNIO Clinical Research Unit, CIBERONC, Madrid, Spain
13. 13Celgene International Sàrl, a Bristol-Myers Squibb Company, Boudry, Switzerland
14. 14Hospital San Pedro de Alcántara, Cáceres, Spain
15. 15Bristol Myers Squibb, Princeton, NJ
16. 16University of Calgary, Calgary, Canada