1. Inflammatory Bowel Disease Center, Icahn School of Medicine at Mount Sinai, New York, NY, USA
2. Amsterdam University Medical Centers – Inflammatory Bowel Disease Unit, University of Amsterdam, Amsterdam, The Netherlands
3. Global Gastroenterology, AbbVie, North Chicago, IL, USA
4. Inflammatory Bowel Disease Clinic, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada