1. The Dr. Henry D. Janowitz Division of Gastroenterology; Icahn School of Medicine at Mount Sinai; New York NY USA
2. Department of Internal Medicine; McMaster University; Hamilton ON Canada
3. Department of Internal Medicine III; Medical University Vienna; Vienna Austria
4. Department of Gastroenterology; Evangelismos Hospital; Athens Greece
5. Department of Gastroenterology; University Hospital Gasthuisberg; Leuven Belgium
6. Janssen Research & Development; LLC; Spring House PA USA
7. Janssen Biologics BV; Leiden The Netherlands
8. Division of Gastroenterology; University of California-San Diego; La Jolla CA USA