1. Laboratory of Nutritional Pathophysiology, National Institute of Digestive Diseases, IRCCS “Saverio de Bellis”, Castellana Grotte, Bari, Italy
2. Department of Biosciences, Biotechnology and Biopharmaceutics, University of Bari, Bari, Italy
3. Department of Radiology and Imaging, National Institute of Digestive Diseases, IRCCS “Saverio de Bellis”, Castellana Grotte, Bari, Italy