1. Department of Neurology; MCH Westeinde; The Hague The Netherlands
2. Department of Clinical chemistry; MCH Westeinde; The Hague The Netherlands
3. Department of Radiology; MCH Westeinde; The Hague The Netherlands
4. Department of Neurology; LUMC; Leiden The Netherlands
5. Department of Clinical Epidemiology; LUMC; Leiden The Netherlands
6. Brain Center Rudolph Magnus; Department of Neurology and Neurosurgery; UMC; Utrecht The Netherlands
7. Julius Center for Health Sciences and Patient Care; UMC; Utrecht The Netherlands