1. Internal Medicine and Outpatient Liver Clinic; NOCSAE Baggiovara; Azienda USL di Modena Modena Italy
2. Nutrition and Metabolism; University of Southampton, Southampton National Institute for Health Research Biomedical Research Centre; Southampton UK
3. Division of Gastroenterology & Hepatology; University of Virginia; Charlottesville VA
4. Department of Gastroenterology; University Hospital of Santa Maria; Lisbon Portugal
5. Section of Endocrinology, Diabetes and Metabolism, Department of Medicine; University of Verona and Azienda Ospedaliera Universitaria Integrata di Verona; Verona Italy