1. Attending Surgeon, Department of Colorectal Surgery, China Medical University Hospital, Taichung, Taiwan
2. Associate professor Surgical Research Unit, Department of Surgery, Medical University of Graz, and Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Minimally Invasive Surgery Center, Poissy, France
3. Director, Department of Colorectal Surgery, China Medical University Hospital, Taiwan, China
4. Superintendent, China Medical University Hospital, Zhubei, Taiwan