1. From the Department of Neurology (L.M., F.B., A.J.G.), Institute of Medical Biometry and Informatics (U.M.), and Krankenhaus Bethanien, Geriatric Center (M.S.), University of Heidelberg; Center for Laboratory Medicine, Microbiology, Transfusion Medicine, Klinikum Karlsruhe (A.R., H.M.); and Department of Neurology, Kurpfalzkrankenhaus Heidelberg (R.W.), Heidelberg, Germany.