1. Imperial College Healthcare NHS Trust London UK
2. Department of Brain Sciences, UK Multiple Sclerosis Society Tissue Bank, Faculty of Medicine Imperial College London, Hammersmith Hospital Campus London UK
3. Department of Neurosciences, Biomedicine and Movement Sciences University of Verona Verona Italy
4. Institute for Life Sciences Swansea University Swansea UK
5. Division of Neuroscience and Experimental Psychology University of Manchester Manchester UK
6. Department of Medical Statistics University Medical Center Göttingen Göttingen Germany