1. Department of Cardiology, Copenhagen University Hospital, Copenhagen, Denmark;
2. Department of Anesthesia and Intensive Care, Helsingborg Hospital, Helsingborg, Sweden;
3. Department of Clinical Sciences, Anesthesia and Intensive Care, Lund University, Skåne University Hospital, Lund, Sweden;
4. Sanos Clinic, Herlev, Denmark;
5. Biomarkers & Research, Nordic Bioscience, Herlev, Denmark;
6. Department of Clinical Sciences, Neurology, Lund University, Skåne University Hospital, Lund, Sweden;
7. Clinical Memory Research Unit, Department of Clinical Sciences, Faculty of Medicine, Lund University, Lund, Sweden;
8. Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden;
9. Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, the Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden;
10. UK Dementia Research Institute at UCL, London, UK;
11. Department of Neurodegenerative Disease, UCL Institute of Neurology, London, UK