1. Department of Neurology 2, Med Campus III, Kepler University Hospital, Faculty of Medicine, Johannes Kepler University Linz, Austria
2. Department of Applied Statistics, Johannes Kepler University Linz, Austria
3. Department of Neurology, Medical University Innsbruck, Austria
4. Department of Neurology, Section of Neurogeriatrics, Medical University Graz, Austria
5. Department of Neurology, Medical University Vienna, Austria
6. Department of Psychiatry and Psychotherapy, Regional Hospital Hall, Austria
7. Department of Psychiatry and Psychotherapy, Medical University Innsbruck, Austria
8. Department for Clinical and Health Psychology, Med Campus III, Kepler University Hospital, Linz, Austria