1. Department of Neurology, AZ Groeninge, Kortrijk, Belgium
2. Department of Neuroscience, Istituto Superiore di Sanità, Rome, Italy
3. Centro Sclerosi Multipla Ospedale Gallarate and European Charcot Foundation, San Rafaele Scientific Institute, Milano, Italy
4. Department of Neurology, UZ Leuven, Leuven, Belgium
5. Department of Neurology UKD, Germany Medical Faculty, Heinrich Heine Universität, Düsseldorf, Germany
6. Brain and Mind Center, University of Sydney, Camperdown, Australia
7. Department of Neurology, University of Vienna, Wien, Austria
8. Department of Neuroimmunology, Netherlands Institute for Neuroscience, Amsterdam, The Netherlands
9. Institut für Neuropathologie, Universitätsklinikum Münster/UKM, Münster, Germany
10. Department of Neurology, Mayo Clinic, Rochester, MN, USA
11. Institute of Neuropathology, University Medical Center, Göttingen, Germany
12. Department of Brain Sciences, Imperial College, London, UK
13. Center for Brain Research, Medical University of Vienna, Wien, Austria