1. Department of Neurology, Erasmus MC; University Medical Center; Rotterdam The Netherlands
2. Department of Immunology, Erasmus MC; University Medical Center; Rotterdam The Netherlands
3. Department of Neurology; University of Glasgow; Glasgow Scotland UK
4. Department of Neurology; Johns Hopkins University; Baltimore MD USA
5. Department of Neurology, St. Elizabeth's Medical Center; Tufts University School of Medicine; Boston MA USA
6. Department of Neurology; Aarhus University Hospital; Aarhus Denmark
7. Department of Neurology; University of Düsseldorf; Düsseldorf Germany
8. Department of Neurology, Institute of Neurology; University College; London UK
9. Department of Neurology; Kinki University School of Medicine; Osaka Japan