1. Department of Urology, Yokosuka Kyosai Hospital, Yokosuka, Kanagawa 238‑8558, Japan
2. Department of Urology, Wakakusa Hospital, Yokohama, Kanagawa 236‑8653, Japan
3. Department of Urology, Yokosuka City Uwamachi Hospital, Yokosuka, Kanagawa 238‑8567, Japan
4. Department of Urology, Kinugasa Hospital, Yokosuka, Kanagawa 238‑8588, Japan
5. Department of Urology, Yokosuka City Hospital, Yokosuka, Kanagawa 240‑0195, Japan
6. Furuhata Hinyokika Clinic, Yokosuka, Kanagawa 238‑0031, Japan
7. Satomi Jin‑Hinyokika Clinic, Yokosuka, Kanagawa 238‑0007, Japan
8. Department of Data Science, School of Data Science, Yokohama City University, Yokohama, Kanagawa 236‑0027, Japan