Affiliation: | (1) Department of Gastroenterological Surgery, Transplant, and Surgical Oncology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama-shi 700-8558, Okayama, Japan;(2) Department of Surgery, Hiroshima City Hospital, Hiroshima, Japan |