1. Division of Surgery, Department of Clinical Science, Intervention and Technology, Karolinska Institutet at Karolinska University Hospital, Stockholm, Sweden
2. Amsterdam UMC, location University of Amsterdam, Department of Surgery
3. Cancer Center Amsterdam, Amsterdam, The Netherlands
4. Division of Surgical Oncology, Department of Surgery, University of Colorado Anschutz Medical Campus, Aurora, CO
5. Department of Visceral, Thoracic and Vascular Surgery, University Hospital and Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
6. Department of General, Visceral and Thoracic Surgery, University Hospital Hamburg-Eppendorf, Germany