1. 1Division of Hematology, The Ohio State University, Columbus, OH
2. 2Biostatistics Shared Resource, Winship Cancer Institute, Emory University, Atlanta, GA
3. 3Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University, Atlanta, GA
4. 4Division of Hematology, University of Colorado Denver, Denver, CO
5. 5Division of Hematology and Oncology, Medical University of South Carolina, Charleston, SC
6. 6Division of Hematology/Oncology, University of Virginia, Charlottesville, VA
7. 7Miami Cancer Institute, Miami, FL
8. 8Department of Medicine, Washington University School of Medicine, Washington University, St. Louis, MO
9. 9The University of North Carolina, Chapel Hill, NC
10. 10Section of Hematology/Oncology, Department of Medicine, University of Chicago, Chicago, IL
11. 11Division of Hematology and Oncology, Northwestern University, Chicago, IL
12. 12Lymphoma Service, Memorial Sloan Kettering Cancer Center, New York, NY
13. 13Roswell Park Comprehensive Cancer Center, Buffalo, NY
14. 14Department of Hematology and Medical Oncology, Cleveland Clinic, Cleveland, OH