1. Clinica Oculistica, DINOG, IRCCS Azienda Ospedaliera Universitaria San Martino - IST, Genoa - Italy
2. Ophthalmology, Department of Neurosciences, University of Pisa, Pisa - Italy
3. Department of Ophthalmology, Campus Bio-Medico, University of Rome, Rome - Italy
4. Ocular Surface Diseases Unit, Policlinico G. Martino, Messina - Italy