1. Cumberland Infirmary and University of Edinburgh Carlisle UK
2. Colorectal Surgery Unit Hospital Valle de Hebron Barcelona Spain
3. Oxford University Hospital Oxford UK
4. Department of General Gastrointestinal, Vascular and Pediatric Surgery University Hospital Wuerzburg Wuerzburg Germany
5. Ospedale Regionale di Lugano Civico e Italiano Lugano Switzerland
6. Department of Surgery Pelvic Floor Unit Aarhus University Hospital Aarhus Denmark
7. Faculty of General Medicine Carol Davila University of Medicine and Pharmacy Bucharest Romania
8. Department of Abdominal Surgery University Medical Centre Ljubljana Ljubljana Slovenia
9. Department of Surgery St Vincent's University Hospital Dublin Ireland
10. Medical Research Center University of Oulu Oulu Finland
11. Colorectal Surgery AZ Groeninge Kortrijk Belgium
12. Department of Gastrointestinal Surgery Ghent University Hospital Ghent Belgium
13. QEII Jubilee Hospital Acacia Ridge Queensland Australia
14. St Mark’s, The National Bowel Hospital Harrow UK