1. Section of Neurology Laboratory of Clinical Neurochemistry Department of Medicine and Surgery University of Perugia Perugia Italy
2. Section of Ophthalmology Department of Medicine and Surgery University of Perugia Perugia Italy
3. Macula Onlus Foundation Di.N.O.G.Mi. University Eye Clinic Genoa Italy
4. Odeon Center Paris France
5. Department of Ophthalmology First Faculty of Medicine Charles University and General University Hospital in Prague Prague Czech Republic