Institution: | (1) Department of Surgery, National Fukuoka Higashi Hospital, 1-1-1, Chidori, Koga, 811-3195, Japan;(2) Department of General Surgery, Fukuoka Dental College Hospital, Fukuoka, Japan;(3) Department of Gastroenterological Surgery, Matsuyama Red-Cross Hospital, Matsuyama, Japan;(4) Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan |