1. IBD Referral Center, Gastroenterology Department, Careggi University Hospital , Florence , Italy
2. Gastroenterology Research Unit, Department of Experimental and Clinical Biochemical Sciences “Mario Serio”, University of Florence , Florence , Italy
3. Section of Pharmacology and Toxicology, Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), University of Florence , Florence , Italy