1 Department of Surgery, Copenhagen University Hospital - North Zeeland, Hillerød & Institute of Clinical Medicine, Faculty of Medicine and Health Sciences, Copenhagen, Denmark.
2 Division of General and Robotic Surgery, Dipartimento Di Scienze Della Salute, University of Milano, Milan & ASST Santi Paolo E Carlo, Milan, Italy.
3 University Clinic for General, Visceral, Vascular and Transplantation Surgery, Faculty of Medicine, Otto-von-Guericke-University, Magdeburg, Germany.
4 Department of Surgery, University Hospital Erlangen, Erlangen, Germany.
5 Department of Colorectal Surgery, St Mark's Hospital, Harrow, UK.
6 Colorectal Surgery Unit, Department of General Surgery, Hospital Universitario Marqués de Valdecilla, Santander, Spain.
7 Norwich Surgical Training and Research Academy, Norfolk & Norwich University Hospital NHS Foundation Trust, Norwich, UK.
8 Department of Surgery, Haraldsplass Diakonale Sykehus, Bergen, Norway.