1. Department of Renal and Genitourinary Surgery Graduate School of Medicine Hokkaido University Sapporo HokkaidoJapan
2. Department of Medical Affairs Asahi Kasei Pharma Corporation TokyoJapan
3. Department of Urology University of Yamanashi Graduate School of Medical Sciences Kofu YamanashiJapan
4. Laboratory for Pharmacology Pharmaceuticals Research Center Asahi Kasei Pharma Corporation Tokyo Japan