Evelien Coeckelbergh1,2, Tatjana Reynders3,4. 1. Department of Neurology, University Hospital Antwerp, Edegem, Belgium. evelien_coeckelbergh@hotmail.com. 2. Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium. evelien_coeckelbergh@hotmail.com. 3. Department of Neurology, University Hospital Antwerp, Edegem, Belgium. 4. Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium.