1. IBD Center Department of Gastroenterology Humanitas Research Hospital – IRCCS Rozzano Milan Italy
2. Colon and Rectal Surgery Division Humanitas Research Hospital – IRCCS Rozzano Milan Italy
3. Department of Biomedical Sciences Humanitas University Pieve Emanuele Milan Italy
4. Icahn School of Medicine at Mount Sinai New York New York USA
5. Gastroenterology and Endoscopy, IRCCS Ospedale San Raffaele and Vita‐Salute San Raffaele University Milan Italy