[1] Johannes Wesling Med Ctr Minden, Dept Neurol, Hans Nolte Str 1, D-32429 Minden, Germany
[2] Johannes Wesling Med Ctr Minden, Dept Neurogeriatry, Minden, Germany
[3] Univ Clin Erlangen, Erlangen, Germany
[4] Emory Univ, Sch Med, Atlanta, GA 30322 USA
[5] Marcus Stroke & Neurosci Ctr, Atlanta, GA USA
[6] Grady Mem Hosp, Atlanta, GA USA