1. Uppsala University, Department of Public Health/Geriatrics, Uppsala, Sweden
2. Uppsala University, Department of Medical Sciences, Uppsala, Sweden
3. Clinical Memory Research Unit, Department of Clinical Sciences Malmö, Lund University, Lund, Sweden
4. Neuropsychiatric Clinic, Skåne University Hospital, Malmö, Sweden
5. Department of Neuroscience, Caring Sciences and Society, Karolinska Institutet, Karolinska University, Hospital Huddinge, Stockholm, Sweden
6. Institute of Neurobiology and Physiology, Department of Neurochemistry and Psychiatry, Sahlgrenska University Hospital, Göteborg University, Sweden
7. Institute of Biomedicine, Department of Clinical Chemistry and Transfusion Medicine, Sahlgrenska University Hospital, Göteborg University, Sweden