1. CUHK Jockey Club Minimally Invasive Surgical Skills Center, Department of Surgery, The Chinese University of Hong Kong, Hong Kong SAR, China
2. School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore
3. Solent Centre for Digestive Diseases, Queen Alexandra Hospital, Portsmouth, UK
4. Department of Gastroenterology and Hepatology, The Jikei University School of Medicine, Tokyo, Japan
5. Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
6. Department of Surgery, Osaka University Graduate School of Medicine, Osaka, Japan