1. First ENT Unit, Azienda Ospedaliero-Universitaria Pisana, University of Pisa, Italy;
2. Unit of Ophthalmology, Azienda Ospedaliero-Universitaria Pisana, University of Pisa, Italy;
3. Unit of Endocrinology, Azienda Ospedaliero-Universitaria Pisana, University of Pisa, Italy