1. Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN;
2. Hematopathology Section, Laboratory of Pathology, National Cancer Institute, Bethesda, MD;
3. Department of Pathology, David Geffen School of Medicine, University of California, Los Angeles, CA;
4. Division of Hematopathology, University of Pittsburgh Medical Center, Pittsburgh, PA;
5. Department of Pathology and Laboratory Medicine, United Health Services Hospitals, Johnson City/Binghamton, NY;
6. Department of Clinical Pathology, Cleveland Clinic, Cleveland, OH;
7. Department of Pathology and Laboratory Medicine, Centrex Clinical Laboratories, Utica, NY;
8. Department of Laboratory Medicine and Pathology, Mayo Clinic, Jacksonville, FL;
9. Center for Individualized Medicine,
10. Department of Health Sciences Research, and
11. Division of Hematology, Mayo Clinic, Rochester, MN; and
12. Lymphoid Malignancies Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD