1. Department of Endocrine and Metabolic Diseases, Istituto Auxologico Italiano IRCCS, Milan, Italy.
2. Graves' Orbitopathy Center, Endocrinology, Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, Milan, Italy.
3. Ophthalmology, Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, Milan, Italy.
4. Division of Internal Medicine, Ospedale Vaio, Fidenza, Italy.
5. Department of Nuclear Medicine, Istituto Clinico Humanitas, Milan, Italy.
6. Department of Otolaryngology, University of Milan and Fondazione IRCCS Cà Granda, Milan, Italy.