1. Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN
2. Division of Hematology, Department of Medicine, Mayo Clinic, Rochester, MN
3. Department of Quantitative Health Sciences, Mayo Clinic, Phoenix, AZ
4. Division of Hematology/Oncology, University of Mississippi, Jackson, MS
5. Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, MN
6. Division of Health Care Delivery Research, Mayo Clinic, Rochester, MN
7. Division of Hematology/Oncology, Mayo Clinic, Phoenix, AZ