1. Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands2Department of Neurology, Erasmus Medical Center, Rotterdam, the Netherlands
2. Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
3. Department of Neurology, Erasmus Medical Center, Rotterdam, the Netherlands
4. Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands3Department of Radiology, Erasmus Medical Center, Rotterdam, the Netherlands