1. Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa 920-8640, Japan
2. Department of Urology, Japanese Red Cross Society Kanazawa Hospital, Kanazawa 921-8162, Japan
3. Department of Urology, Nara Medical University, Kashihara 634-8522, Japan
4. Department of Urology, Fukushima Medical University School of Medicine, Fukushima 960-1295, Japan
5. Ishibashi Urology Clinic, Koriyama 963-8002, Japan
6. Department of Nephro-urology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan
7. Department of Urology, Gifu University Graduate School of Medicine, Gifu 501-1194, Japan
8. Department of Urology, Wakayama Medical University, Wakayama 641-8509, Japan
9. Department of Urology, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan
10. Innovative Clinical Research Center (iCREK), Kanazawa University Hospital, Kanazawa 920-8641, Japan