1. Myeloma Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
2. Department of Medicine, Weill Cornell Medical College, New York, NY, USA
3. PRA Health Sciences, Raleigh, NC, USA
4. BMT service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
5. Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
6. Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
7. Myeloma Program and Experimental Therapeutics Program, Sylvester Comprehensive Cancer Center, University of Miami, Miami, FL, USA