1. Department of Psychology; Carl von Ossietzky University Oldenburg; Oldenburg Germany
2. Department of Neurology; University Medicine Greifswald; Greifswald Germany
3. Speech and Language Therapy, Older People’s Mental Health, Stockport, Pennine Care NHS Foundation Trust; Pennine Care NHS Foundation Trust; Stockport UK
4. Berlin Institute of Health at Charité – Universitätsmedizin Berlin; Berlin Germany
5. Institute of Biometry and Clinical Epidemiology; Charité - Universitätsmedizin Berlin; Berlin Germany