1. Cardiometabolic Risk Unit Institute of Clinical Physiology, CNR Pisa Italy
2. University of Lille, CHU Lille, Inserm U1190, EGID Lille France
3. Division of Gastroenterology and Hepatology and Laboratory of Diabetology, Department of Medical Sciences University of Turin Turin Italy
4. Fondazione Toscana Gabriele Monasterio Pisa Italy