1. Department of Urology, University of Iowa Hospitals and Clinics, Iowa City, Iowa
2. Department of Urology, State University of New York Upstate Medical University, Syracuse, New York
3. Section of Laparoscopic and Robotic Surgery, Glickman Urological Institute, Cleveland Clinic Foundation, Cleveland, Ohio
4. Department of Urology, University of California-Irvine, Orange, California