1. Sobell Department of Motor Neuroscience and Movement Disorders, Unit of Functional Neurosurgery, National Hospital of Neurology and Neurosurgery, Queen Square, London, UK
2. Department of Neurology, University Medical Centre Ljubljana, Slovenia
3. Faculty of Medicine, University of Ljubljana, Slovenia
4. Faculty of Computer and Information Sciences, University of Ljubljana, Slovenia
5. Department of Neurology, Innsbruck Medical University, Innsbruck, Austria