1. Department of Urology, Hiroshima City North Medical Center Asa Citizens Hospital, 1-2-1 Kameyama-Minami, Asakita-ku, Hiroshima 731-0293, Japan
2. Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, 13-1 Takaramachi, Kanazawa 920-8641, Japan
3. Department of Urology, Hiroshima University Graduate School of Biomedical Sciences, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan
4. Department of Urology, Toyama Prefectural Central Hospital, 2-2-78 Nishinagae, Toyama 930-8550, Japan
5. Department of Urology, Fukui-Ken Saiseikai Hospital, 7-1 Wadanakacho-Funabashi, Fukui 918-8503, Japan
6. Department of Urology, University of Yamanashi, 1110 Shimokato, Chuo 409-3898, Japan
7. Department of Urology, Shobara Red Cross Hospital, 2-7-10 Nishihonmachi, Shobara 727-0013, Japan
8. Department of Urology, Nara Medical University, 840 Shijocho, Kashihara 634-8521, Japan
9. Department of Urology, Fukushima Medical University, 1 Hikarigaoka, Fukushima 960-1295, Japan
10. Department of Urology, Anjo Kosei Hospital, 28 Anjocho-Higashihirokute, Anjo 446-8602, Japan
11. Nephro-Urologic Surgery and Andrology, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu 514-8507, Japan
12. Department of Urology, Graduate School of Medical and Dental Sciences, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima 890-8520, Japan
13. Department of Urology, Kanazawa Medical University, 1-1 Uchinadamachi-Daigaku, Kahoku 920-0293, Japan
14. Department of Nephro-urology, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya 467-8602, Japan
15. Department of Urology, School of Medicine, Sapporo Medical University, 16-291 Minami-1-Jo-Nishi, Sapporo 060-8543, Japan
16. Department of Urology, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8666, Japan
17. Department of Urology, Ishikawa Prefectural Central Hospital, 2-1 Kuratsukihigashi, Kanazawa 920-8530, Japan
18. Innovative Clinical Research Center, Kanazawa University, 13-1 Takaramachi, Kanazawa 920-8641, Japan
19. Medical Research Support Center, University of Fukui Hospital, 23-3 Shimoaizuki, Matsuoka Eiheiji-cho Yoshida-gun, Fukui 910-1193, Japan