1. Department of Radiology, Mayo Clinic, Rochester, Minnesota
2. Department of Physics, Gustavus Adolphus College, St. Peter, Minnesota
3. Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, Indiana
4. Department of Urology, Mayo Clinic, Rochester, Minnesota
5. Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota
6. Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota