1. Department of Urology Shinshu University School of Medicine MatsumotoJapan
2. Department of Urology Nagano Matsushiro General Hospital NaganoJapan
3. Suzuki Urology Clinic NaganoJapan
4. Furuhata Urology Clinic MatsumotoJapan
5. Department of Urology Yamanashi Prefectural Central Hospital Kofu Japan