1. Division of Brain Sciences, Imperial College London, London, United Kingdom
2. Department of Neurology, Alfried Krupp Krankenhaus, Essen, Germany
3. currently a biostatistics consultant, St Catharines, Ontario, Canada
4. Department of Clinical Therapeutics, National and Kapodistrian University of Athens, Athens, Greece
5. Population Health Research Institute, Department of Medicine, McMaster University, Hamilton, Ontario, Canada
6. Department of Neurology, University of Pennsylvania, Philadelphia
7. Department of Human Neurosciences, Sapienza University of Rome, Rome, Italy
8. Departamento de Neurología, Fleni, Buenos Aires, Argentina
9. Bayer AG, Wuppertal, Germany
10. Department of Clinical Neuroscience, Institute of Neurosciences and Physiology, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
11. Department of Neurology, Sahlgrenska University Hospital, Gothenburg, Sweden
12. Faculty of Health and Medical Sciences, Medical School, University of Western Australia, Perth, Australia
13. Department of Clinical Sciences and Neurology, Lund University, Lund, Sweden
14. Department of Neurology, Skåne University Hospital, Lund, Sweden
15. Bayer, LLC, Whippany, New Jersey
16. Instituto Nacional de Neurologia y Neurocirugia Manual Velasco Suarez, Mexico City, Mexico
17. Department of Neurology, Faculty of Medicine, Selcuk University, Konya, Turkey
18. Institute of Neuroscience and Psychology, University of Glasgow, Queen Elizabeth University Hospital, Glasgow, United Kingdom
19. Department of Neuroscience, Hospital Clinic of Barcelona, Institute Reçerca Biomèdica August Pi i Sunyer, University of Barcelona, Barcelona, Spain
20. Department of Medicine, University of Alberta, Edmonton, Canada