1. Department of Urology, Graduate School of Medical Sciences, Kyushu University
2. Division of Urology, Harasanshin Hospital, Fukuoka
3. Department of Urology, Graduate School of Medicine and Pharmaceutical Sciences for Research, University of Toyama, Toyama
4. Department of Urology, Faculty of Medicine, University of Tsukuba, Ibaraki
5. Departments of Urology and Molecular Oncology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan