1. Chronic Pain and Fatigue Research Center, Department of Anesthesiology, University of Michigan Medical School, Ann Arbor, Michigan
2. Arbor Research Collaborative for Health, Ann Arbor, Michigan
3. Department of Anesthesia, Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, Indiana
4. Department of Urology, University of Washington, Seattle, Washington
5. Department of Urology, University of Iowa, Iowa City, Iowa
6. Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina
7. National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland
8. Division of Urologic Surgery, Departments of Surgery and Anesthesiology, Washington University School of Medicine, St. Louis, Missouri