1. Division of Female Pelvic Medicine and Reconstructive Surgery and Urology, Drexel University College of Medicine Philadelphia Pennsylvania USA
2. Department of Urology, Institute of Clinical Sciences, University of Gothenburg, Sahlgrenska University Hospital Gothenburg Sweden
3. Graduate School of Medicine and Faculty of Medicine Kyoto University Kyoto Japan
4. Department of Urology and Pelvic Reconstructive Surgery, Tokyo Women's Medical University Medical Center East Tokyo Japan
5. Department of Urology, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine Bucheon Republic of Korea