1. Kyoto University Hospital; Department of Surgery; 54 Shogoin-Kawahara-cho Sakyo-ku Kyoto Japan 606-8507
2. Fukushima Medical University; Shirakawa Satellite for Teaching And Research (STAR) in General Medicine; 2-1 Toyochi Kamiyajirou Shirakawa Fukushima Shirakawa City Kyoto Prefecture Japan 961-0005
3. Fukuoka University Hospital; Department of Surgery; 7-45-1 Nanakuma Jonan-ku Fukuoka Japan 814-0180
4. Kyoto University Graduate School of Medicine/School of Public Health; Department of Health Promotion and Human Behavior; Yoshida Konoe-cho, Sakyo-ku, Kyoto Japan 606-8501