1. Department of Clinical Sciences Lund, Neurology, Lund University, Skåne University Hospital, Lund, Sweden
2. Clinical Memory Research Unit, Faculty of Medicine, Lund University, Lund, Sweden
3. Department of Clinical Sciences Lund, Anesthesia and Intensive Care, Lund University, Helsingborg Hospital, Lund, Sweden
4. Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, the Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden
5. Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden
6. Department of Molecular Neuroscience, University College of London Institute of Neurology, London, United Kingdom
7. United Kingdom Dementia Research Institute, London, United Kingdom
8. Department of Clinical Sciences Lund, Cardiology, Lund University, Skåne University Hospital, Lund, Sweden
9. Department of Clinical Sciences Lund, Anesthesia and Intensive Care, Lund University, Skåne University Hospital, Lund, Sweden
10. Department of Anesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
11. Department of Clinical Sciences Lund, Clinical Neurophysiology, Skåne University Hospital, Lund, Sweden
12. Departments of Cardiology, Rigshospitalet and Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
13. Adult Critical Care, University Hospital of Wales, Cardiff, United Kingdom
14. Department of Intensive Care, Medical Center Leeuwarden, Leeuwarden, the Netherlands
15. National Rescue Services, Luxembourg City, Luxembourg
16. Department of Cardiothoracic Anaesthesia, The Heart Center, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark
17. Copenhagen Trial Unit, Centre for Clinical Intervention Research Department, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
18. Department of Intensive Care, Academic Medical Center, Amsterdam, the Netherlands
19. Anesthesia and Intensive Care, Card. G. Panico Hospital Agency, Tricase, Italy