1. Department of Colorectal Surgery; Queen Elizabeth Hospital; Gateshead UK
2. Department of Abdominal Surgery; University Hospital; Gasthuisberg Leuven Belgium
3. Frenchay Hospital; Bristol UK
4. Digestive Disease Institute (IMAD); University Hospital of Nantes; Nantes France
5. Oxford University Hospitals NHS Trust; Oxford UK
6. Colon and Rectal Surgery Associates; University of Minnesota; Minneapolis Minnesota USA
7. Royal Brisbane and Woman's Hospital; University of Queensland; Brisbane Queensland Australia