1. MS Center Amsterdam, Department of Neurology, Amsterdam Neuroscience, Vrije Universiteit Amsterdam, Amsterdam UMC, Amsterdam, The Netherlands
2. MS Center Amsterdam, Department of Anatomy & Neurosciences, Amsterdam Neuroscience, Vrije Universiteit Amsterdam, Amsterdam UMC, Amsterdam, The Netherlands
3. MS Center Amsterdam, Department of Radiology and Nuclear Medicine, Amsterdam Neuroscience, Vrije Universiteit Amsterdam, Amsterdam UMC, Amsterdam, The Netherlands
4. Queen Square Institute of Neurology and Centre for Medical Image Computing, University College London, London, UK
5. Biologics Laboratory and Department of Immunopathology, Sanquin Diagnostic Services, Amsterdam, The Netherlands
6. Landsteiner Laboratory, Academic Medical Center, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands