1. Department of Surgery; Consorci Sanitari de Terrassa; Terrassa (Barcelona) Spain
2. National Centre for Bowel Research and Surgical Innovation; London UK
3. Department of Colorectal Surgery; University College London Hospital; London UK
4. Digestive Disease Center; Cleveland Clinic Florida; Weston Florida USA
5. Department of Abdominal Surgery; University Hospital Gasthuisberg; Leuven Belgium