[1] IRCCS Hosp, Natl Inst Gastroenterol Saverio Bellis, Unit Data Sci, I-70013 Castellana Grotte, Bari, Italy
[2] Natl Inst Gastroenterol IRCCS Saverio Bellis, Ctr Nutr Res & Care Obes & Metab Dis, I-70013 Castellana Grotte, Bari, Italy
[3] Univ Palermo, Dipartimento Promoz Salute Materno Infantile Med I, I-90127 Palermo, Italy
[4] Univ Hosp Policlin P Giaccone, Unit Clin Nutr Obes & Metab Dis, I-90127 Palermo, Italy
[5] IRCCS Hosp, Natl Inst Gastroenterol Saverio Bellis, I-70013 Castellana Grotte, Bari, Italy