1. Division of Child Neurology and Psychiatry, Department of Pediatrics, Regina Margherita Hospital, and Department of Public Health and Pediatric Sciences, University of Turin, Turin, Italy
2. Dubowitz Neuromuscular Centre, Great Ormond Street Institute of Child Health, University College London, London, UK
3. Department of Neuroscience “Rita Levi Montalcini”; Hospital Città della Salute e della Scienza, University of Turin, Turin, Italy