1. General, Visceral and Transplant Surgery Department of Surgery Medical University of Graz Graz Austria
2. Department of Surgery, Oncology, and Gastroenterology Padua University Hospital Padua Italy
3. Department of Surgery National Taiwan University Hospital Taipei Taiwan
4. Biotest AG Dreieich Germany
5. Department of General and Digestive Surgery University Hospital 12 de Octubre Madrid Spain
6. Keck Hospital of University of Southern California Los Angeles California USA
7. Department of Gastroenterology, Hepatology and Endocrinology Medizinische Hochschule Hannover Hannover Germany
8. Centre Hepatobiliaire University Hospital Paul Brousse University Paris‐Saclay and Inserm‐Paris Saclay Research Unit 1193 Villejuif France