1. Public and Organizational Health Epidemiology, Biostatistics, and Prevention Institute University of Zurich Zurich Switzerland
2. Chronic Disease Epidemiology Epidemiology, Biostatistics, and Prevention Institute University of Zurich Zurich Switzerland
3. Division of Molecular and Cognitive Neuroscience University of Basel Basel Switzerland
4. Neurocentre, Luzerner Kantonsspital Luzern Switzerland
5. Department of Neurology Inselspital, University Hospital Bern and University of Bern Bern Switzerland