1. Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
2. Department of Molecular Cell Biology and Immunology, Amsterdam Neuroscience, Amsterdam University Medical Center, Free University Amsterdam, The Netherlands
3. Department of Pathology, Amsterdam Neuroscience, Amsterdam University Medical Center, Free University Amsterdam, The Netherlands
4. Department of Clinical Chemistry, The Alzheimer Center Amsterdam, and Neurochemistry Laboratory, Amsterdam Neuroscience, Amsterdam University Medical Center, Free University Amsterdam, The Netherlands
5. Department of Neurology, University of Bonn, Bonn, Germany
6. Department of Neuroscience, School for Mental Health and Neuroscience, Maastricht University, Maastricht, The Netherlands