[1] Chang Gung Memorial Hospital,Division of Colon and Rectal Surgery
[2] Chang Gung University,Graduate Institute of Clinical Medical Sciences, College of Medicine
[3] Chang Gung Memorial Hospital,Division of Anatomical Pathology, Department of Pathology
[4] Chang Gung Memorial Hospital,Division of General Surgery, Department of Surgery
[5] Chang Gung Memorial Hospital,Division of Gastroenterology, Department of Internal Medicine