1. Department of Surgery, Gyeongsang National University College of Medicine, Gyeongsang National University Changwon Hospital, Changwon 51472, Republic of Korea
2. Department of Anesthesiology, Gyeongsang National University Changwon Hospital, Changwon 51472, Republic of Korea
3. Department of Surgery, Kosin University Gospel Hospital, Busan 49267, Republic of Korea
4. Regional Cardiocerebrovascular Disease Center, Gyeongsang National University Hospital, Jinju 52727, Republic of Korea
5. Department of Surgery, Korea University College of Medicine, and Division of Foregut Surgery, Korea University Anam Hospital, Seoul 02841, Republic of Korea