1. Department of Neurology Alzheimer Center Amsterdam Amsterdam Neuroscience Vrije Universiteit Amsterdam Amsterdam UMC Amsterdam the Netherlands
2. Department of Internal Medicine Geriatric Medicine Section Vrije Universiteit Amsterdam Amsterdam UMC Amsterdam the Netherlands
3. Research and Service Centre Finnish Institute of Occupational Health Helsinki Finland
4. Combinostics Ltd Tampere Finland
5. VTT Technical Research Centre of Finland Ltd Tampere Finland
6. Department of Neurology Danish Dementia Research Centre Rigshospitalet Copenhagen University Hospital Copenhagen Denmark
7. Section of Gerontology and Geriatrics University of Perugia Perugia Italy
8. Department of Neurology University of Eastern Finland Kuopio Finland
9. Department of Neurology Neurocenter Kuopio University Hospital Kuopio Finland
10. Finnish Institute for Health and Welfare Helsinki Finland
11. Department of Clinical Geriatrics Karolinska Institutet NVS Center for Alzheimer Research Stockholm Sweden
12. Unit of Clinical Neuroscience Neurology and Medical Research Center University of Oulu Oulu Finland
13. Department of Epidemiology and Biostatistics VU University Medical Centre Amsterdam the Netherlands