1. Neurochemistry Laboratory, Department of Clinical Chemistry, Amsterdam Neuroscience Vrije Universiteit Amsterdam, Amsterdam UMC Amsterdam The Netherlands
2. Alzheimer Center Amsterdam, Department of Neurology, Amsterdam Neuroscience Vrije Universiteit Amsterdam, Amsterdam UMC Amsterdam The Netherlands
3. Network Institute Vrije Universiteit Amsterdam Amsterdam The Netherlands
4. MS Center Amsterdam, Department of Neurology, Amsterdam Neuroscience Vrije Universiteit Amsterdam, Amsterdam UMC Amsterdam The Netherlands
5. Department of Epidemiology and Data Science Vrije Universiteit Amsterdam, Amsterdam UMC Amsterdam The Netherlands
6. Department of Clinical Genetics and Department of Human Genetics Leiden University Medical Center Leiden The Netherlands
7. Clinical Neuroanatomy and Biobanking, department of Anatomy and Neurosciences, Amsterdam Neuroscience Vrije Universiteit Amsterdam, Amsterdam UMC Amsterdam The Netherlands
8. Life Science Partners (LSP) Amsterdam The Netherlands