1. Department of Urology, Mayo Clinic, Rochester, Minnesota
2. Division of Clinical Trials and Biostatistics, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota
3. Department of Health Policy, Vanderbilt University Medical Center, Nashville, Tennessee
4. Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, Tennessee
5. Department of Urology, Vanderbilt University Medical Center, Nashville, Tennessee
6. Geriatric Research Education and Clinical Center, Veterans Affairs Tennessee Valley Healthcare System, Nashville, Tennessee
7. Division of General Internal Medicine, Mayo Clinic, Scottsdale, Arizona
8. Division of Health Care Policy and Research, Mayo Clinic, Rochester, Minnesota
9. Biomedical Ethics Research Program, Mayo Clinic, Rochester, Minnesota