[1] Federico II Univ Naples, Sch Med, Dipartimento Med Clin & Chirurg, Unita Endocrinol, Via Sergio Pansini 5, I-80131 Naples, Italy
[2] Univ Naples Federico II, Cattedra Unesco Educ Salute & Allo Sviluppo, Naples, Italy
[3] Univ Med Sch Naples, Endocrinol Unit, Dept Clin Med & Surg, Ctr Italiano Cura & Benessere Paziente Con Ob, Naples, Italy
[4] Univ Padua, Dept Med, Padua, Italy
[5] IRCCS Osped Policlin San Martino, Endocrinol Unit, Genoa, Italy
[6] Univ Genoa, Endocrinol Unit, Dept Internal Med & Med Specialties DIMI, Genoa, Italy
[7] Univ Genoa, Ctr Excellence Biomed Res CEBR, Genoa, Italy
[8] Univ Telemat Pegaso, Dipartimento Sci Umanistiche, I-80143 Naples, Italy