1. Section of Gastroenterology and Hepatology, Dipartimento Di Promozione Della Salute, Materno Infantile, Medicina Interna e Specialistica Di Eccellenza (PROMISE) University of Palermo Palermo Italy
2. Dipartimento di Scienze Economiche, Aziendali e Statistiche University of Palermo Palermo Italy
3. Department of Biomedicine, Neuroscience and Advanced Diagnostics (BiND) University of Palermo Palermo Italy
4. Department of Medicine, Section of Endocrinology, Diabetes, and Metabolism University of Verona Verona Italy
5. Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology & Metabolism Medical University Innsbruck Innsbruck Austria
6. Department of Medicine University of Verona Verona Italy
7. Metabolic Diseases Research Unit IRCCS Sacro Cuore—Don Calabria Hospital Negrar di Valpolicella Italy