1. Myeloma Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
2. Myeloma Program, Sylvester Comprehensive Cancer Center, University of Miami, Miami, Florida
3. Adult Bone Marrow Transplant Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
4. Department of Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
5. Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
6. Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York