1. Division of Colon and Rectal Surgery, Department of Surgery, College of Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Chungcheongnam‑do 31151, Republic of Korea
2. Soonchunhyang Medical Science Research Institute, College of Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Chungcheongnam‑do 31151, Republic of Korea
3. Department of Oncology, College of Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Chungcheongnam‑do 31151, Republic of Korea
4. Division of Gastrointestinal Surgery, Department of Surgery, College of Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Chungcheongnam‑do 31151, Republic of Korea
5. Soonchunhyang Institute of Medi‑bio Science (SIMS), Soonchunhyang University, Cheonan, Chungcheongnam‑do 31151, Republic of Korea