1. Eye Clinic, Neuromuscular and Sense Organs Department, Careggi University Hospital, Florence, Italy
2. Ophthalmology Unit, S. Orsola-Mapighi University Hospital, University of Bologna, Bologna, Italy
3. Unit of Ocular Oncology, Neuromuscular and Sense Organs Department, Careggi University Hospital, Florence, Italy
4. Ophthalmology Unit, Catholic University of the Sacred Heart, Fondazione Policlinico Universitario A. Gemelli, Rome, Italy
5. Department of Neurosciences, Psychology, Drug Research and Child Health, University of Florence, Florence, Italy