1. The Section Meeting for Ureteral Stent in Japanese Society of Endourology Japan
2. Department of Urology Ohguchi Higashi General Hospital YokohamaJapan
3. Department of Infection Control and Laboratory Medicine School of Medicine Sapporo Medical University SapporoJapan
4. Department of Urology Harasanshin General Hospital FukuokaJapan
5. Department of Urology Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences Okayama Japan
6. Department of Urology School of Medicine International University of Health and Welfare Chiba Japan
7. Department of Urology and Endoscopic Surgery Center Suzukake Central Hospital HamamatsuJapan
8. Department of Urology and Andrology Kansai Medical University OsakaJapan
9. Department of Urology Kyorin University School of Medicine TokyoJapan
10. Medical Education Hyogo College of Medicine NishinomiyaJapan
11. Department of Clinical Epidemiology Hyogo College of Medicine NishinomiyaJapan
12. Department of Urology & Kidney Transplant Center Hyogo College of Medicine Nishinomiya Japan