[1] Univ Hosp Dusseldorf, Cent Pharm, Dusseldorf, Germany
[2] Univ Hosp Dusseldorf, Dept Orthoped & Trauma Surg, Dusseldorf, Germany
[3] Witten Herdecke Univ, Fac Hlth, Dept Human Med, Witten, Germany
[4] Univ Hosp Dusseldorf, Inst Syst Neurosci, Dusseldorf, Germany
[5] Res Ctr Julich, Inst Neurosci & Med INM 7, Julich, Germany
[6] Univ Hosp Dusseldorf, Inst Gen Med, Dusseldorf, Germany
[7] Univ Hosp Giessen & Marburg UKGM, Dept Neurol, Giessen, Germany
[8] Univ Med Ctr Gottingen, Dept Neurol, Gottingen, Germany
[9] Univ Duisburg Essen, Univ Hosp Essen, Clin Neurol, Essen, Germany
[10] Univ Hosp Dusseldorf, Dept Vasc & Endovasc Surg, Dusseldorf, Germany