1. Department of Paediatric Neurology and Developmental Medicine, Hauner Children's Hospital, Campus Innenstadt, University of Munich, Germany
2. Integrated Center for Research and Treatment of Vertigo,
3. Institute of Clinical Radiology, University of Munich, Germany
4. Specialist Centre for Paediatric Neurology, Epilepsy Centre for Children and Adolescents, Vogtareuth, Germany