1. Department of Neurosciences Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (Dinogmi), University of Genoa, Genoa, Italy
2. Pediatric Neurology and Muscular Diseases Unit, IRCCS Istituto “Giannina Gaslini”, Genoa, Italy
3. Department of Experimental and Clinical Medicine, Neurological Clinic, Marche Polytechnic University, Ancona, Italy
4. klausrose Consulting, Riehen, Switzerland
5. Pediatric Unit, Department of Medicine and Surgery, University of Perugia, Perugia, Italy