1. Gastroenterology Unit, St. Rita Hospital, 83042 Atripalda, Italy
2. Institute of Food Sciences, Consiglio Nazionale Delle Ricerche (CNR), 83100 Atripalda, Italy
3. E.L.F.I.D, Department of Translational Medical Science, University “Federico II”, 80147 Napoli, Italy
4. Section of Human Anatomy, Department of Mental and Physical Health and Preventive Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
5. Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, 84081 Salerno, Italy
6. Department of Sport Sciences and Wellness, University of Naples “Parthenope”, 80100 Naples, Italy
7. Gastroenterology Unit, San G. Moscati Hospital, 83100 Atripalda, Italy
8. Gastroenterology Unit, St. Filippo Neri Hospital, 00135 Rome, Italy