1. Clinical Neurochemistry Laboratory, Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry, the Sahlgrenska Academy at University of Gothenburg, Sahlgrenska University Hospital, SE-431 80 Mölndal, Sweden.
2. Institute for Reference Materials and Measurements (IRMM), Joint Research Centre, European Commission, Geel, Belgium
3. Clinical Neurochemistry Laboratory, Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry, the Sahlgrenska Academy at University of Gothenburg, Sahlgrenska University Hospital, SE-431 80 Mölndal, Sweden
4. Department of Clinical Chemistry, VU University Medical Center, Amsterdam, The Netherlands
5. Barrow Neurological Institute, Divisions of Neurology and Neurobiology, St. Joseph’s Hospital & Medical Center, Phoenix, AZ, USA
6. Alzheimers Association, Medical & Scientific Relations Division, Chicago, IL, USA
7. BARC Global Central Labs, a division of Cerba European Lab, New York, NY, USA
8. PPD Bioanalytical Laboratory, Richmond, VA, USA
9. Banyan Biomarkers, Inc., Alachua, FL, USA
10. Eisai Medical Research, Woodcliff Lake, NJ, USA
11. Janssen Alzheimer Immunotherapy Research & Development LLC, South San Francisco, CA, USA
12. Clinical Development Laboratory, Merck & Co., NJ, USA
13. Discovery Medicine, GlaxoSmithKline R&D China, Clinical Unit Cambridge, Addenbrooke’s Hospital, Cambridge, UK
14. Neuroimmunologyand CSF Laboratory, National Hospital for Neurology. UCL Institute of Neurology, London, UK
15. Biomarker Center of Excellence, Covance Inc., Greenfield, IN, USA
16. Clinical & Molecular Genetics Unit, Institute of Child Health & Great Ormond Street Hospital for Sick Children, University College London, London, UK
17. Personalised Healthcare & Biomarkers, AstraZeneca R&D, Macclesfield, UK
18. Department of Pathology & Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
19. AJ Simon Enterprises LLC, 1310 Prospect Farm Dr, Yardley, PA, USA
20. Translational Medicine, BioTherapeutics, Pfizer Inc., South San Francisco, CA, USA
21. Radboud University Nijmegen Medical Centre, Donders Institute for Brain, Cognition and Behaviour, Departments of Neurology & Laboratory Medicine & Alzheimer Centre, Nijmegen, The Netherlands
22. Meso Scale Discovery, Gaithersburg, MD, USA
23. ADx Neurosciences, Gent, Belgium
24. Clinical Neurochemistry Laboratory, Institute of Neuroscience & Physiology, Department of Psychiatry & Neurochemistry, the Sahlgrenska Academy, University of Gothenburg, Sahlgrenska University Hospital, Mölndal, Sweden and UCL Institute of Neurology, Queen Square, London, UK