Affiliation: | 1. Department of Health Sciences, Community and Occupational Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands;2. Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands;3. Department of Pharmacy, University of Groningen, Groningen, The Netherlands;4. Department of Neurology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands |