1. Second University of Naples, Via Pansini 5, 80100 Napoli, Italy
2. Department of Molecular and Clinical Cancer Medicine, University of Liverpool, Liverpool, UK
3. Department of Ophthalmology, Istituto Clinico Humanitas, Rozzano, Milan, Italy
4. Ophthalmology Unit, San Sebastiano Hospital, Caserta, Italy
5. Eye Clinic, Department of Neurological Sciences and Vision, University of Brescia, Brescia, Italy
6. Eye Clinic, Department of Health Sciences, University of Molise, Campobasso, Italy