1 Department of Surgery, College of Medicine, Taipei Medical University, Taipei, Taiwan.
2 Division of Gastrointestinal Surgery, Department of Surgery, Taipei Medical University Hospital, Taipei Medical University, 252 Wuxing Street, Sinyi District, Taipei, 11031, Taiwan.
3 Division of Colorectal Surgery, Department of Surgery, Taipei Medical University Hospital, Taipei Medical University, Taipei, Taiwan.
4 Department of Surgery, College of Medicine, Taipei Medical University, Taipei, Taiwan. 121013@h.tmu.edu.tw.
5 Division of Gastrointestinal Surgery, Department of Surgery, Taipei Medical University Hospital, Taipei Medical University, 252 Wuxing Street, Sinyi District, Taipei, 11031, Taiwan. 121013@h.tmu.edu.tw.