1. Department of Neurology; VU University Medical Center; De Boelelaan 1117 1081 HV Amsterdam The Netherlands
2. Department of Ophthalmology; VU University Medical Center; De Boelelaan 1117 1081 HV Amsterdam The Netherlands
3. Molecular Neuroscience; UCL Institute of Neurology; Queen Square London WC1N 3BG United Kingdom
4. Moorfields Eye Hospital; Neuro-ophthalmology; City Road London UK
5. Department of Pathology; VU University Medical Center; Amsterdam The Netherlands
6. Institute of Biochemistry and Clinical Biochemistry; Catholic University of Rome; Largo F. Vito 1 00168 Rome Italy
7. Department of Radiology & Nuclear Medicine; VU University Medical Center; Amsterdam The Netherlands
8. Department of Neurosciences; S Camillo Forlanini Hospital; Circonvallazione Gianicolense 87 00152 Rome Italy
9. Division of Biochemistry and Molecular Biology; Department of Biology, Geology and Environmental Sciences; University of Catania; Viale A. Doria 6 95125 Catania Italy
10. Molecular Cell Biology and Immunology; VU University Medical Center; Amsterdam The Netherlands