[1] Univ Coimbra, Fac Sci & Technol, Dept Biochem, P-3001401 Coimbra, Portugal
[2] Univ Coimbra, Ctr Neurosci & Cell Biol, P-3004517 Coimbra, Portugal
[3] Univ Coimbra, Fac Pharm, Pharmaceut Technol Lab, P-3000295 Coimbra, Portugal
[4] Univ Munich, Dept Neurosurg, Med Ctr Grosshadern, Munich, Germany
[5] Univ Munich, Inst Surg Res, Med Ctr Grosshadern, D-8000 Munich, Germany
[6] Univ Munich, Dept Pharm, Munich, Germany