Affiliation: | 1.Department of Biostatistics and Epidemiology, Yokohama City University, Yokohama, Japan ;2.Department of Biostatistics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan ;3.Department of Integrated Science and Engineering for Sustainable Society, Chuo University, Tokyo, Japan ;4.Department of Surgery, Tokyo Women’s Medical University Medical Center East, Tokyo, Japan ;5.Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan ;6.Tokai Central Hospital, Kakamigahara, Japan ;7.4-57 Urafune-cho, Minami-ku, Yokohama, 232-0024, Japan ; |