1. Department of Surgery, Graduate School, Yonsei University College of Medicine, Seoul, Republic of Korea
2. Department of Surgery, Soonchunhyang University College of Medicine, Bucheon, Republic of Korea
3. Department of Surgery, Keimyung University School of Medicine, Daegu, Republic of Korea
4. Department of General Surgery, Karadeniz Technical University, Trabzon, Turkey
5. Department of Surgery, Yonsei University College of Medicine, Seoul, Republic of Korea
6. Gastric Cancer Center, Yonsei Cancer Center, Yonsei University Health System, Seoul, Republic of Korea
7. Department of Humanities and Social Medicine, Ajou University School of Medicine, Suwon, Republic of Korea
8. Department of Diagnostic Radiology, Yonsei University College of Medicine, Seoul, Republic of Korea
9. Robot and MIS Center, Severance Hospital, Yonsei University Health System, Seoul, Republic of Korea