1. Service of Neurology, Department of Clinical Neurosciences, Centre Hospitalier Universitaire Vaudois Lausanne, University of Lausanne, 1011 Lausanne, Switzerland
2. Neuroradiology Clinic, University Hospital Zürich, 8091 Zürich, Switzerland
3. Institute of Neuroscience and Medicine, Brain and Behaviour (INM-7), Research Centre Jülich, 52428 Jülich, Germany
4. Institute of Systems Neuroscience, Medical Faculty, Heinrich Heine University Düsseldorf, 40225 Düsseldorf, Germany
5. Department of Neurology, University Hospital of Bern, 3010 Bern, Switzerland
6. Department of Neurology, Fujimoto Hospital, Neyagawa, Osaka 583-0857, Japan
7. LREN, Department of Clinical Neurosciences, University of Lausanne, CHUV, 1011 Lausanne, Switzerland
8. Max Planck Institute for Human Cognitive and Brain Sciences, 04103 Leipzig, Germany