1. Hematology/Oncology; University of Miami School of Medicine; Sylvester Comprehensive Cancer Center; Miami FL USA
2. Lymphoma Service; Memorial Sloan-Kettering Cancer Center; New York NY USA
3. Clinical Research Division; Fred Hutchinson Cancer Research Center; Seattle WA USA
4. Division of Hematology; Department of Medicine; Mayo Clinic; Rochester MN USA
5. Oncology/Hematology; University of Nebraska Medical Center; Omaha NE USA
6. Oncology; Stanford University Medical Center; Stanford CA USA
7. Department of Health Research and Policy and Statistics; Stanford University; Stanford CA USA
8. Hematology/Oncology; The University of Massachusetts Medical School; Worcester MA USA
9. Hematology/Oncology; Weill Cornell Medical College; New York NY USA