1. Department of Pediatrics, Hospital Group Kaufbeuren-Ostallgäu, 87600 Kaufbeuren, Germany
2. Department of Neurology and Neurosurgery, Montreal Neurological Hospital and Institute, Montreal, QC H3A2B4, Canada
3. Department of Pediatrics, Medical University Innsbruck, 6020 Innsbruck, Austria
4. Faculty of Medicine, Paracelsus Medical University, 5020 Salzburg, Austria
5. Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Augsburg, 86156 Augsburg, Germany