1. Faculty of Medicine and Psychology, Sapienza University, Rome, Italy
2. Pediatric Neurology and Muscular Diseases Unit, Department of Neurosciences, ‘G. Gaslini’ Institute and University of Genova, Genova, Italy
3. Wilhelmina Children’s Hospital, University Medical Centre, Utrecht, the Netherlands
4. Child Neurology and Department of Pediatrics University of Chieti, Italy
5. Neurology Clinic, Department of Neuroscience Sant’Anna Hospital, Como, Italy