1. Department of Urology, Beaumont Hospital, Royal Oak, Michigan
2. Division of Urology, Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia
3. Department of Health Behavior and Biological Sciences, University of Michigan School of Nursing, Ann Arbor
4. Department of Urology, University of Kansas School of Medicine, Kansas City
5. The Landon Center on Aging, University of Kansas School of Medicine, Kansas City
6. Department of Internal Medicine, Beaumont Hospital, Royal Oak, Michigan
7. Department of Medicine, University of Alabama at Birmingham
8. Birmingham/Atlanta Geriatric Research, Education, and Clinical Center, Department of Veterans Affairs, Birmingham, Alabama
9. Institute for Social Research, University of Michigan, Ann Arbor, Michigan
10. Department of Obstetrics and Gynecology, Stanford University, Palo Alto, California
11. Research Institute, Beaumont Hospital, Royal Oak, Michigan