1. Center for Rare Diseases Göttingen, University Medical Center Göttingen, Georg August University, Göttingen, Germany
2. Department of Radiology, Asklepios Hospitals Schildautal, Seesen, Germany
3. Department of Pediatrics and Pediatric Neurology, University Medical Center Göttingen, Georg August University, Göttingen, Germany
4. Max Planck Institute for Experimental Medicine, Göttingen, Germany
5. Department of Neurology, Hospital Weser-Egge, Höxter, Germany