1. Department of General, Visceral and Thoracic Surgery University Medical Center Hamburg‐Eppendorf Hamburg Germany
2. Department of Surgery Koo Foundation Sun Yat‐Sen Cancer Center Taipei Taiwan
3. Department of Surgery College of Medicine National Yang‐Ming University Taipei Taiwan
4. Department of Cardiothoracic Surgery Stanford University School of Medicine CA USA
5. Chirurgia Generale Fondazione Policlinico Universitario A. Gemelli IRCCS Università Cattolica del Sacro Cuore Rome Italy
6. Department of Colorectal Surgery Università Campus Bio‐Medico Rome Italy