1. Department of Neurology, Amsterdam University Medical Centers, Vrije Universiteit AmsterdamAmsterdam Neuroscience, MS Center Amsterdam Amsterdam the Netherlands
2. Neurochemistry Laboratory and Biobank, Department of Clinical Chemistry, Amsterdam Neuroscience, Amsterdam University Medical CentersVrije Universiteit Amsterdam Amsterdam the Netherlands
3. Department of Radiology and Nuclear Medicine, Amsterdam University Medical CentersVrije Universiteit Amsterdam, Amsterdam Neuroscience, MS Center Amsterdam Amsterdam the Netherlands
4. Department of Diagnostic and Interventional NeuroradiologyHanover Medical School Hanover Germany