1. Division of Urologic Surgery, Washington University School of Medicine, St. Louis, Missouri
2. St. Louis Veterans Affairs Medical Center, St. Louis, Missouri
3. Department of Psychiatry and Division of Emergency Medicine, Department of Surgery, North Texas Veterans Affairs Health Care System and University of Texas Southwestern Medical Center, Dallas, Texas
4. Department of Medicine, Washington University School of Medicine, St. Louis, Missouri
5. Department of Psychiatry, Washington University School of Medicine, St. Louis, Missouri