1. Division of Hematology, Department of Medicine, Mayo Clinic Rochester, Rochester, MN;
2. Division of Hematology, Department of Medicine, Mayo Clinic Scottsdale, Scottsdale, AZ;
3. Division of Biomedical Statistics and Bioinformatics, Department of Health Sciences Research, Mayo Clinic Rochester, Rochester, MN;
4. Division of Hematology, Department of Medicine, Mayo Clinic Jacksonville, Jacksonville, FL; and
5. Division of Hematopathology, Department of Laboratory Medicine and Pathology, Mayo Clinic Rochester, Rochester, MN