1. Department of Medical Specialties, Gastroenterology Unit, University of Modena and Reggio Emilia and University Hospital of Modena, I‑41124 Modena, Italy
2. National Institute of Gastroenterology ‘Saverio de Bellis’, Research Hospital, I‑70013 Castellana Grotte, Italy
3. Liver Disease Laboratory, Centre for Cooperative Research in Biosciences (CIC bioGUNE), 48160 Derio, Spain