1. Department of PsychologyUmeå UniversityUmeåSweden
2. Centre for Population Studies/Ageing and Living Conditions, Umeå UniversityUmeåSweden
3. Division of Psychiatry Department of Clinical SciencesUmeå UniversityUmeåSweden
4. Aging Research CenterKarolinska InstitutetStockholmSweden
5. Umeå Center for Functional Brain ImagingUmeå UniversityUmeåSweden