1. IRCCS Ospedale Policlinico San Martino, Genova, Italy
2. Department of Quantitative Biomedicine, University of Zurich, Zurich, Switzerland
3. Azienda Sanitaria Locale 4 Chiavarese, Chiavari, Italy
4. Centro Clinico NeMO, Ospedale la Colletta, Arenzano, Italy
5. Azienda Sanitaria Locale 3 Genovese, Genova, Italy, and
6. Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal and Child Health, University of Genoa, Genova, Italy