1. Endocrine and Metabolic Department, Istituto Auxologico Italiano IRCCS, Milano, Italy.
2. Department of Clinical Sciences and Community Health, Graves' Orbitopathy Center, Endocrinology, Milan, Italy.
3. Department of Ophthalmology, Fondazione IRCCS Cà Granda, Milan, Italy.
4. Division of Biostatistics, Epidemiology and Public Health, Department of Statistics and Quantitative Methods, University of Milano-Bicocca, Milan, Italy.
5. Istituto Auxologico Italiano IRCCS, Milan, Italy.
6. Department of Otolaryngology, Fondazione IRCCS Cà Granda, Milan, Italy.