1. Department of Neurology; MC Haaglanden; The Hague The Netherlands
2. Department of Neurology; LUMC; Leiden The Netherlands
3. Department of Radiology; MC Haaglanden; The Hague The Netherlands
4. Department of Neurology; Erasmus MC; Rotterdam The Netherlands
5. Department of Neurology; St Antonius Hospital; Nieuwegein The Netherlands
6. Brain Center Rudolf Magnus; Department of Neurology and Neurosurgery; UMC Utrecht; Utrecht The Netherlands
7. Department of Clinical Epidemiology; LUMC; Leiden The Netherlands