1. Department of Urology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
2. Department of Urology, Kyorin University School of Medicine, 6-20-2 Shinkawa, Mitaka-shi, Tokyo, 181-8611, Japan
3. Department of Urology, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan
4. Medicine & Surgery Department, University of Parma, Via Gramsci 14, Parma, 43126, Italy
5. Medical Oncology Unit, University Hospital of Parma, Via Gramsci 14, Parma, 43126, Italy
6. Biostatistics Section, Department of Data Science, Center of Clinical Sciences, National Center for Global Health & Medicine, 1-21-1 Toyama, Shinjuku-ku, Tokyo, 162-8655, Japan
7. Department of Urology, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke-shi, Tochigi, 329-0498, Japan
8. Department of Urology, Nihon University School of Medicine, 30-1 Oyaguchi Kami-cho, Itabashi-ku, Tokyo, 173-8610, Japan
9. Division of Urology, Mitsui Memorial Hospital, 1 Kanda-izumi-cho, Chiyoda-ku, Tokyo, 101-8643, Japan
10. Department of Urology, The Fraternity Memorial Hospital, 2-1-11 Yokozuna, Sumida-ku, Tokyo, 130-8587, Japan