1. From the Department of Neuropathology (H.D.M., C.S.), Johannes Gutenberg-University of Mainz, Mainz, Germany; the Department of Neurology (K.M.H., S.S., W.-R.S.), Ruprecht Karls-University of Heidelberg, Heidelberg, Germany; the Department of Neurology (K.D., W.-R.S.), University of Münster, Münster, Germany; and the Department of Neurology (S.S.), University of Erlangen-Nürmberg, Erlangen, Germany.