1. Department of Gastroenterological Surgery Graduate School of Medicine, Osaka University Suita Osaka Japan
2. Center of Medical Innovation and Translational Research Graduate School of Medicine, Osaka University Suita Osaka Japan
3. Artificial Intelligence Research Center The Institute of Scientific and Industrial Research, Osaka University Ibaraki Osaka Japan
4. Institute of Scientific and Industrial Research Osaka University Ibaraki Osaka Japan
5. Department of Surgery and Science Graduate School of Medical Sciences, Kyushu University Fukuoka Japan