[1] Charite, NeuroCure Clin Res Ctr, D-10117 Berlin, Germany
[2] Asklepios Fachklinikum Teupitz, Teupitz, Germany
[3] Charite, NeuroCure Clin Res Ctr, Clin & Expt MS Res Ctr, D-10117 Berlin, Germany
[4] Charite, Clin & Expt MS Res Ctr, D-10117 Berlin, Germany
[5] Charite, BUFF, Expt & Clin Res Ctr, D-10117 Berlin, Germany
[6] Max Delbrueck Ctr Mol Med, Berlin, Germany
[7] Max Delbrueck Ctr Mol Med, NeuroCure Clin Res Ctr BUFF, Berlin, Germany
[8] Univ Med Goettingen, Inst Neuroradiol, Gottingen, Germany