1. Chronic Pain and Fatigue Research Center, Department of Anesthesiology, University of Michigan, Ann Arbor, MI, USA
2. Department of Medicine, University of California, Los Angeles, CA, USA
3. Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA, USA
4. Department of Biostatistics and Epidemiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
5. Oppenheimer Center for Neurobiology of Stress, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, CA, USA
6. Department of Urology, University of Southern California, Los Angeles, CA, USA
7. Division of Urologic Surgery, Department of Surgery, Washington University School of Medicine, St. Louis, MO, USA
8. Department of Anesthesiology, Washington University School of Medicine, St. Louis, MO, USA
9. Department of Urology, University of Iowa, Iowa City, IA, USA
10. Department of Obstetrics and Gynecology, University of Iowa, Iowa City, IA, USA
11. Department of Psychological and Brain Sciences and Urology, University of Iowa, Iowa City, IA, USA