[1] Univ Milan, Unit Endocrinol & Metab Dis, Fdn IRCCS Ca Granda Osped Maggiore Policlin, Dept Clin Sci & Community Hlth, I-20122 Milan, Italy
[2] Casa Sollievo Sofferenza, Unit Endocrinol, IRCCS, Foggia, Italy
[3] Fatebenefratelli & Oftalm Hosp, Radiol Unit, Milan, Italy
[4] Casa Sollievo Sofferenza, IRCCS, Radiol Unit, Foggia, Italy
[5] Univ Milan, IRCCS Policlin San Donato, Dept Biomed Sci Hlth, Unit Endocrinol & Diabetol, Milan, Italy
[6] Univ Roma La Sapienza, Dept Internal Med & Med Disciplines, I-00185 Rome, Italy
[7] McGill Univ, Dept Med, Montreal, PQ, Canada
[8] McGill Univ, Dept Physiol, Montreal, PQ, Canada
[9] McGill Univ, Dept Human Genet, Montreal, PQ, Canada
[10] Univ Toronto, Dept Lab Med & Pathobiol, Toronto, ON, Canada
[11] Univ Toronto, Dept Med & Genet, Toronto, ON, Canada