1. Department of Medicine, Surgery and Neurosciences University of Siena Siena Italy
2. Department of Radiology and Nuclear Medicine Amsterdam UMC Amsterdam The Netherlands
3. Department of Medicine Ottawa Hospital Research Institute University of Ottawa Ottawa Ontario Canada
4. Department of Neurology Amsterdam UMC, Location VUmc Amsterdam The Netherlands
5. Research Center for Clinical Neuroimmunology and Neuroscience Basel (RC2NB) and Neurology Departments of Head, Spine and Neuromedicine Biomedical Engineering and Clinical Research University Hospital University of Basel Basel Switzerland
6. Casa di Cura Privata del Policlinico Università Vita‐Salute San Raffaele Milan Italy
7. Global Biostatistics Merck Healthcare KGaA Darmstadt Germany
8. Global Medical Affairs Merck Serono Ltd (an affiliate of Merck KGaA) Feltham UK
9. Department of Health Sciences University of Genoa Genoa Italy
10. UCL Institutes of Neurology and Healthcare Engineering London UK