1. Department of Neurology; Aarhus University Hospital; Noerrebrogade 44, DK-8000 Aarhus C Denmark
2. Department of Clinical Genetics; Aarhus University Hospital; Aarhus Denmark
3. Department of Neuroradiology; Würzburg University Hospital; Würzburg Germany
4. MR Research Centre; Aarhus University Hospital; Aarhus Denmark
5. Department of Clinical Neurophysiology; Aarhus University Hospital; Aarhus Denmark
6. Departments of Clinical Medicine and Endocrinology; Aalborg University Hospital; Aalborg Denmark
7. Department of Neuroradiology; Heidelberg University Hospital; Heidelberg Germany