H. Wersching, MD, T. Duning, MD, H. Lohmann, PhD, S. Mohammadi, PhD, C. Stehling, MD, M. Fobker, MD, M. Conty, J. Minnerup, MD, E.B. Ringelstein, MD, K. Berger, MD, M. Deppe, PhD and S. Knecht, MD From the Department of Neurology (H.W., T.D., H.L., S.M., M.C., J.M., E.B.R., M.D., S.K.), Institute of Epidemiology and Social Medicine (H.W., K.B.), Institute of Clinical Radiology (C.S.), and Institut