1. Departments of Pathology and
2. Oncology, University Hospital of Oslo, Oslo, Norway;
3. Department of Internal Medicine and
4. College of Public Health, University of Nebraska Medical Center, Omaha, NE;
5. Department of Pathology, National Cancer Institute, Bethesda, MD;
6. Department of Medical Oncology, British Columbia Cancer Agency, Vancouver, BC;
7. Department of Pathology, University of Arizona, Tucson, AZ;
8. Department of Pathology, Massachusetts General Hospital, Boston, MA;
9. Institute of Pathology, University of Würzburg, Würzburg, Germany;
10. Institute of Pathology, Städtisches Klinikum Karlsruhe, Karlsruhe, Germany;
11. Department of Hematology, Centre Hospitalier Lyon-Sud, Lyon, France;
12. Department of Pathology, British Columbia Cancer Agency, Vancouver, BC;
13. Department of Pathology, Centre Hospitalier Lyon-Sud, Lyon, France;
14. Hematology and Stem cell Transplantation Division, National Cancer Center Hospital, Tokyo, Japan;
15. Department of Medicine, University of Hong Kong, Hong Kong, China;
16. Institute of Hematology and Oncology, University of Barcelona Hospital, Barcelona, Spain;
17. Center for Lymphoma, Massachusetts General Hospital Cancer Center, Boston, MA;
18. Department of Pathology, University of Bologna Hospital, Bologna, Italy;
19. Department of Oncology and Haematology, University of Modena and Reggio Emilia, Modena, Italy;
20. Department of Pathology, Cedars Sinai Medical Center and University of Southern California Keck School of Medicine, Los Angeles, CA; and
21. Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE