1. Division of Hematology, Mayo Clinic, Rochester, Minnesota
2. Division of Medical Oncology, Mayo Clinic, Rochester, Minnesota
3. Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston
4. Department of Public Health Sciences, Pennsylvania State College of Medicine, Hershey
5. Medical School of Nanjing University, Nanjing, China
6. The Comprehensive Cancer Centre of Drum Tower Hospital, Clinical Cancer Institute of Nanjing University, Nanjing, China
7. Department of Health Services Research, The University of Texas MD Anderson Cancer Center, Houston
8. Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
9. West Cancer Center, The University of Tennessee, Memphis
10. Department of Lymphoma/Myeloma, The University of Texas MD Anderson Cancer Center, Houston