1. Department of Surgery, Saint John of God Hospital (Paracelsus Medizinische Universität – Teaching Hospital) Salzburg
2. Department of Innovative Surgery, Klinikum Bremerhaven Reinkenheide, Bremerhaven, Germany
3. Department of General, Visceral and Thoracic Surgery, Klinikum Leverkusen, Leverkusen, Germany
4. Minimally Invasive Surgery Research Centre, University of Insubria, Varese, Italy
5. Department of Surgery, Klinikum für Chirurgie Rorschach, St Gallen, Switzerland
6. Department of Surgery, Ziekenhuis Gelderse Vallei, Ede, The Netherlands
7. Department of Surgery, Unit of Surgical Innovation in Minimally Invasive Surgery, University Hospital ‘Virgen del Rocio’, Seville, Spain
8. Department of Surgical Gastroenterology, Hvidovre University Hospital, Copenhagen, Denmark
9. North Bristol NHS Trust, Bristol, UK
10. Department of Surgery, Sisters of Mercy Hospital, Vienna, Austria
11. Unit of Surgical Oncology, Candiolo Cancer Institute, FPO–IRCCS, Turin, Italy
12. Department of Mathematics, University of Innsbruck, Innsbruck, Austria
13. SJOG Hospital, PMU – Teaching Hospital, Salzburg, Austria
14. Klinikum Bremerhaven Reinkenheide, Bremerhaven, Germany
15. Klinikum Leverkusen, Leverkusen, Germany
16. University of Insubria, Varese, Italy
17. Klinikum für Chirurgie Rorschach, St Gallen, Switzerland
18. University Hospital ‘Virgen del Rocio’, Seville, Spain
19. Sisters of MercyHospital, Vienna, Austria
20. Candiolo Cancer Institute, FPO–IRCCS, Turin, Italy