[1] Charite Univ Med Berlin, Dept Neurol & Expt Neurol, Ctr Stroke Res Berlin, D-10117 Berlin, Germany
[2] Trauma Hosp Berlin, Treatment Ctr Spinal Cord Injuries, Berlin, Germany
[3] Univ Tubingen, Inst Pharm, Dept Pharmaceut & Med Chem, Tubingen, Germany
[4] Yale Univ, Sch Med, Program Cellular Neurosci Neurodegenerat & Repair, New Haven, CT USA
[5] Yale Univ, Sch Med, Dept Neurol, New Haven, CT 06510 USA