1 Division of Colorectal Surgery, Department of Surgery, Taipei Medical University Shuang-Ho Hospital, Number 291, Zhongzheng Road, Zhonghe District, New Taipei City, 235, Taiwan. Electronic address: astrosky0717@gmail.com.
2 Division of Colorectal Surgery, Department of Surgery, Taipei Medical University Shuang-Ho Hospital, Number 291, Zhongzheng Road, Zhonghe District, New Taipei City, 235, Taiwan. Electronic address: kiubabar@gmail.com.
3 Division of Colorectal Surgery, Department of Surgery, Taipei Medical University Shuang-Ho Hospital, Number 291, Zhongzheng Road, Zhonghe District, New Taipei City, 235, Taiwan; Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taiwan. Electronic address: rotring810@yahoo.com.tw.