1. Department of Neurology, Medical University of Graz; Graz Austria
2. Department of Radiology, VU University Medical Center; Amsterdam The Netherlands
3. Glostrup Hospital, University of Copenhagen; Copenhagen Denmark
4. UCL Institute of Neurology; London UK
5. Neuroimaging Research Unit, Institute of Experimental Neurology, Division of Neuroscience, San Raffaele Scientific Institute, Vita-Salute San Raffaele University; Milan Italy
6. Department of Neurology, University Hospital Basel; Basel Switzerland
7. Department of Radiology, Vall d'Hebron University Hospital; Barcelona Spain