1. Divisions of Child and Adolescent Neurology and Epilepsy Department of Neurology Mayo Clinic Rochester Minnesota USA
2. Department of Biomedical and Neuromotor Sciences University of Bologna Bologna Italy
3. Institute of Neurological Sciences, Scientific Institute for Research and Health Care Bologna Italy
4. Department of Neurosciences Monash University Melbourne Victoria Australia
5. Department of Medicine University of Melbourne Austin Health Victoria Australia
6. Isabelle Rapin Division of Child Neurology Saul R. Korey Department of Neurology, and Departments of Neuroscience and Pediatrics Albert Einstein College of Medicine and Montefiore Medical Center Bronx New York USA