1. Swansea University Medical School, Swansea, UK
2. Department of Cellular and Molecular Neuroscience, Imperial College London, London, UK
3. Department of Visual Neuroscience, UCL Institute of Ophthalmology, London, UK
4. Faculty of Medicine Health and Life Science, Swansea University Medical School, Swansea, UK
5. Department of Medical Statistics, University Medical Center Göttingen, Göttingen, Germany
6. Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden
7. Department of Clinical Neurosciences, Centre for Molecular Medicine (CMM), Karolinska Institute, Stockholm, Sweden
8. Department of Mathematics, KTH Royal Institute of Technology, Stockholm, Sweden
9. Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden, MS-Register
10. Czech National Multiple Sclerosis Patient Registry ReMuS, IMPULS Endowment Fund, Kateřinská, CZ, Prague
11. Department of Neurology and Center of Clinical Neuroscience, Charles University in Prague, First Faculty of Medicine and General University Hospital, Prague, Czech Republic
12. Danish Multiple Sclerosis Registry, Department of Neurology, University Hospital Copenhagen, Rigshospitalet, Denmark
13. Department of Neurology, Danish Multiple Sclerosis Center, University Hospital Copenhagen, Rigshospitalet, Denmark
14. German MS Registry, MS Forschungs- und Projektentwicklungs-gGmbH, Hannover, Germany
15. Department of Neuroscience, Central Clinical School, Monash University, Australia
16. Novartis Pharma AG, Basel, Switzerland
17. Faculty of Medicine Health and Life Science, Swansea University Medical School, Singleton Campus, Swansea SA2 8PP, UK