1. Department of Lymphoma/Myeloma; University of Texas MD Anderson Cancer Center; Houston Texas
2. Department of Haematology; Sir Charles Gairdner Hospital and Pathwest Laboratory Medicine WA; Perth Western Australia Australia
3. University of Western Australia; Crawley Western Australia Australia
4. Department of Internal Medicine and German Hodgkin Study Group; University Hospital of Cologne; Cologne Germany
5. Lymphoma Service; Memorial Sloan Kettering Cancer Center; New York New York
6. Department of Oncology; Lund University; Lund Sweden
7. Department of Hematology; Aalborg University Hospital; Aalborg Denmark
8. Department of Hematology/Oncology; University of Nebraska Medical Center; Omaha Nebraska
9. Division of Oncology; Washington University; St Louis Missouri
10. British Columbia Cancer Agency Centre for Lymphoid Cancer; Vancouver British Columbia Canada
11. Department of Hematology; Hackensack University Cancer Center; Hackensack New Jersey
12. Department of Radiation Oncology; University of Texas MD Anderson Cancer Center; Houston Texas