1. Division of Upper GI and Metabolic Surgery, Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
2. Department of Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
3. Department for General, Visceral-, Thoracic-, Transplantation-, and Pediatric Surgery, University Hospital Schleswig Holstein, Kiel, Germany
4. Department for General, Visceral-, Transplant Surgery, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
5. Department of Gastrointestinal Surgery, The University of Tokyo Hospital, Tokyo, Japan
6. Department of Surgery, Fujita Health University, Toyoake, Japan
7. Department of Global Clinical Development, Intuitive Surgical Inc., Sunnyvale CA, USA
8. Departament of Gastroenterological Surgery, University of São Paulo, São Paulo, Brazil