1. Department of Health Promotion, Mother and Child Care Internal Medicine and Medical Specialities “G. D'Alessandro,” University of Palermo Palermo Italy
2. Department of Molecular Neuroscience UCL Institute of Neurology London UK
3. Department of Neurosciences Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DiNOGMI), University of Genoa; Pediatric Neurology and Muscular Diseases Unit IRCCS Giannina Gaslini Institute Genoa Italy
4. Department of Psychology, Educational Sciences and Human Movement University of Palermo Palermo Italy