1. Unit of Ophthalmology, Department of Clinical Sciences and Community Health, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy.
2. Unit of Endocrinology, Department of Clinical Sciences and Community Health, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy.
3. Division of Internal Medicine, Ospedale di Fidenza, Fidenza, Italy.
4. Unit of Otolaringology, Department of Clinical Sciences and Community Health, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy.