1. Department of Neurology; Aalborg University Hospital; Aalborg Denmark
2. Departments of Neurology; Aarhus University Hospital; Aarhus Denmark
3. Departments of Clinical Epidemiology; Aarhus University Hospital; Aarhus Denmark
4. Departments of Neuroradiology; Aarhus University Hospital; Aarhus Denmark
5. Center for Functionally Integrative Neuroscience; Aarhus University Hospital; Aarhus Denmark
6. Beth Israel Deaconess Medical Center; Harvard Medical School; Boston MA USA