1. Department of Clinical Neurosciences; IRCCS Foundation, “C. Besta” Neurological Institute; Milan Italy
2. Department of Diagnostic and Applied Technology; IRCCS Foundation, “C. Besta” Neurological Institute; Milan Italy
3. Department of Neurology; University of Cagliari; Cagliari Italy
4. Department of Ophthalmology, Neuro-ophthalmology Unit; Milan Italy
5. Department of Ophthalmology, Corneal Service; IRCCS Istituto Auxologico Italiano; Milan Italy
6. Department of Neurology; ASST Niguarda Hospital; Milan Italy