Institution: | (1) Department of Neurology, Heinrich-Heine-University Düsseldorf, P. O. Box 101 007, D-40001 Düsseldorf, Germany, e-mail: gilbertw@neurologie, uni-duesseldorf.de, Tel.: + 49-2 11-8 11 70 38, Fax: + 49-2 11-8 11 70 38, DE;(2) Department Diagnostic Radiology, Heinrich-Heine-University Düsseldorf, Germany, DE;(3) Department of Neurology, Johann Wolfgang Goethe University, Frankfurt, Germany, DE |