1. Department of Oncology, Sidney Kimmel Comprehensive Cancer Center; Johns Hopkins University; Baltimore Maryland
2. Department of Biostatistics; University of Arkansas for Medical Sciences; Little Rock Arkansas
3. Department of Medicine, Center for Clinical AIDS Research and Education (CARE Center); University of California at Los Angeles; Los Angeles California
4. Division of Hematology/Oncology; Beth Israel Deaconess Medical Center, Harvard Medical School; Boston Massachusetts
5. Division of Hematology and Oncology; Virginia Mason Medical Center, University of Washington; Seattle Washington
6. Lymphoma Service, Department of Medicine; Memorial Sloan-Kettering Cancer Center; New York New York
7. Massachusetts General Hospital Cancer Center; Boston Massachusetts
8. Northwestern University; Chicago Illinois
9. Department of Medicine; Pennsylvania Hospital; Philadelphia Pennsylvania
10. Division of Oncology, Department of Medicine; Washington University School of Medicine; St Louis Missouri
11. Division of Oncology, Department of Medicine; Albert Einstein College of Medicine/Montefiore Medical Center; Bronx New York
12. Department of Medicine; Case Comprehensive Cancer Center; Cleveland Ohio
13. Cancer Therapy Evaluation Program, National Cancer Institute; National Institutes of Health; Washington DC
14. Division of Medical Oncology/Hematology; Inova Comprehensive Cancer and Research Institute; Falls Church Virginia