1. Department of Surgery, Amsterdam UMC Amsterdam the Netherlands
2. Amsterdam Gastroenterology Endocrinology Metabolism Research Institute Amsterdam the Netherlands
3. Department of Gastroenterology and Hepatology, Amsterdam UMC Amsterdam the Netherlands
4. IBD Unit, Gastroenterology and Endoscopy IRCCS Ospedale san Raffaele and University Vita‐Salute San Raffaele Milano Milano Italy