1. Institute of Epidemiology and Social Medicine; University of Münster; Münster Germany
2. Institute of Behavioural Sciences; Semmelweis University; Budapest Hungary
3. Institute for Community Medicine; University of Greifswald; Greifswald Germany
4. Centre for Integrated Dementia Care Research (CIDC); German Centre for Neurodegenerative Diseases (DZNE); Greifswald Germany
5. Department of Clinical Neurophysiology; Klinikum Bremen-Ost/University of Göttingen; Bremen Germany