[1] Natl Inst Gastroenterol Saverio de Bellis, Populat Hlth Unit Salus Apulia Study, Res Hosp, I-70013 Bari, Italy
[2] Univ Bari Aldo Moro, Sch Med, Interdisciplinary Dept Med, Sect Internal Med Geriatr Endocrinol & Rare Dis, I-70121 Bari, Italy
[3] Univ Bari, Sch Med, Interdisciplinary Dept Med, Sect Internal Med Geriatr Endocrinol & Rare Dis, I-70121 Bari, Italy
[4] Univ Foggia, Dept Clin & Expt Med, I-71122 Foggia, Italy
[5] Natl Inst Gastroenterol Saverio de Bellis, Res Hosp, Sci Direct, I-70013 Bari, Italy
[6] Univ Bari, Sch Med, Dept Biomed Sci & Human Oncol, Clin Nutr Unit, I-70121 Bari, Italy