Affiliation: | (1) Krankenhaus Merheim, Department of Neurology, Ostmerheimerstrasse 200, D-51109 Cologne, Germany Tel. 02 21/89 07-27 75; fax 02 21/89 07-27 72, DE;(2) Krankenhaus Merheim, Department of Radiology, Ostmerheimerstrasse 200, D-51109 Cologne, Germany, DE |