1. Gastroenterology Unit Versilia Hospital Lido di Camaiore Italy
2. Hospital Universitario de La Princesa Instituto de Investigación Sanitaria Princesa (IIS‐Princesa) Universidad Autónoma de Madrid (UAM) and Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd) Madrid Spain
3. Department of Medical and Surgical Sciences IRCCS S. Orsola University of Bologna Bologna Italy
4. Università degli Studi della Campania “Luigi Vanvitelli” Naples Italy
5. Molinette‐SGAS Hospital University of Turin Turin Italy
6. Medicina Interna, Fondazione Policlinico Universitario A. Gemelli IRCCS Università Cattolica del Sacro Cuore Rome Italy
7. Section of Gastroenterology Department of Emergency and Organ Transplantation University “Aldo Moro” of Bari Bari Italy
8. Emergency Medicine Fondazione Policlinico Universitario “A. Gemelli” IRCCS Università Cattolica del Sacro Cuore Rome Italy
9. Gastroenterology Unit Department of Clinical Medicine and Surgery University Federico II of Naples Naples Italy
10. Department of Medical, Surgical and Experimental Science University of Sassari Sassari Italy
11. Gastroenterology Unit Department of Surgery, Oncology and Gastroenterology University Hospital of Padua Padua Italy
12. Gastrointestinal Unit Department of Translational Sciences and New Technologies in Medicine and Surgery University of Pisa Pisa Italy
13. Department Natural Sciences (Microbiology) University of Middlesex London UK & Dartford & Gravesham NHS Trust Darent Valley Hospital Dartford Kent UK
14. Althaia Xarxa Assistencial Universitària de Manresa and Universitat de Vic‐Universitat Central de Catalunya (UVicUCC) Manresa Spain
15. Université de Bordeaux Bordeaux France
16. Trinity College Dublin Dublin Ireland