1. Department of Healthcare Epidemiology, Kyoto University Graduate School of Medicine/School of Public Health, Yoshida Konoe-cho, Sakyo-ku, Kyoto 606-8501, Japan
2. Center for Innovative Research for Communities and Clinical Excellence, Fukushima Medical University, Fukushima 960-1295, Japan
3. Department of Urology, Tokyo Women's Medical University, Tokyo 162-8666, Japan
4. Department of Surgery, Southern TOHOKU Research Institute for Neuroscience, Southern TOHOKU General Hospital, 7-115 Yatsuyamada, Koriyama, Fukushima 963-8052, Japan
5. Department of Health Promotion and Human Behavior, Kyoto University Graduate School of Medicine/School of Public Health, Yoshida Konoe-cho, Sakyo-ku, Kyoto 606-8501, Japan