1. Gastroenterology Department of Public Health University of Naples Federico II Naples Italy
2. College of Medicine and Health University College of Cork and APC Microbiome Cork Ireland
3. Institute of Immunology and Immunotherapy University of Birmingham Birmingham UK
4. Institute of Pathology ASST‐Spedali Civili Brescia Brescia Italy
5. University of Lorraine Inserm NGERE Nancy France
6. Department of Gastroenterology and Digestive Endoscopy IRCCS Ospedale San Raffaele Milan Italy
7. Faculty of Medicine University Vita‐Salute San Raffaele Milan Italy