1. Department of Internal Medicine, Division of Hematology;
2. Department of Laboratory Medicine and Pathology;
3. Department of Health Sciences Research, Division of Biostatistics;
4. Department of Health Sciences Research, Division of Epidemiology, Mayo Clinic College of Medicine, Rochester, MN;
5. Department of Internal Medicine, Division of Hematology and Oncology, Mayo Clinic College of Medicine, Scottsdale, AZ; and
6. Department of Immunology, Mayo Clinic College of Medicine, Rochester, MN