1. Division of Child Neurology and Infantile Psychiatry Department of Human Neurosciences Sapienza University of Rome Rome Italy
2. IRCCS Istituto delle Scienze Neurologiche di BolognaBellaria Hospital Bologna Italy
3. Azienda Ospedaliera San Camillo‐Forlanini Roma Italy
4. Unit of Neurology Department of Biomedical and NeuroMotor Sciences (DIBINEM) University of Bologna Bologna Italy
5. Department of Human Neurosciences Università di Roma La Sapienza Rome Italy