1. Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
2. Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Mölndal, Sweden
3. Department of Psychiatry, Cognition and Old Age Psychiatry, Sahlgrenska University Hospital, Region Västra Götaland, Mölndal, Sweden
4. Laboratory of Clinical Neurochemistry, Department of Clinical Biology, Universitair Ziekenhuis Brussel, and Center for Neurosciences (C4N), Vrije Universiteit Brussel, Brussels, Belgium
5. Department of Biomedical Sciences and Institute Born-Bunge, University of Antwerp, Antwerp, Belgium
6. Department of Psychology, Faculty of Social Science, University of Gothenburg, Gothenburg, Sweden
7. Clinical Neurochemistry Labratory, Sahlgrenska University Hospital, Mölndal, Sweden
8. Department of Neurodegenerative Disease, Institute of Neurology, University College London, London, UK
9. UK Dementia Research Institute at University College London, London, UK
10. Hong Kong Center for Neurodegenerative Diseases, Hong Kong, China
11. Department of Internal Medicine, Skaraborg Central Hospital, Region Västra Götaland, Skövde, Sweden