1. Translational Gastroenterology Unit Nuffield Department of Experimental Medicine University of Oxford Oxford UK
2. Department of Gastroenterology Western Sussex Hospitals NHS Foundation Trust Worthing UK
3. Surgical Department Gastroenterology Division Hospital Beatriz Ângelo Loures Portugal
4. Department of Gastroenterology CHU Liège University Hospital Liège Belgium
5. The Dr. Henry D. Janowitz Division of Gastroenterology Icahn School of Medicine at Mount Sinai New York City NY USA