1. Dept of Medical Devices, Nagoya University Hospital
2. Clinical Simulation Center, Nagoya University Graduate School of Medicine
3. Dept of Gastroenterological Surgery, Nagoya University Graduate School of Medicine
4. Dept of Gastroenterological Surgery, Aichi Cancer Center Hospital
5. Dept of Gastroenterological Surgery, Tokyo Wemen’s Medical University Yachiyo Medical Center
6. Center for Postgraduate Clinical Training and Career Development, Nagoya University Hospital