[1] Wallenberg Neurosci Ctr, Neuronal Survival Unit, Dept Expt Med Sci, S-22184 Lund, Sweden
[2] Univ Lund Hosp, Div Neuropathol, S-22185 Lund, Sweden
[3] UCL, Inst Neurol, Queen Square Brain Bank Neurol Disorders, Dept Mol Neurosci, London WC1N 3BG, England
[4] Univ Lund Hosp, Div Neurol, S-22185 Lund, Sweden
[5] UCL, Inst Neurol, Sobell Dept Motor Neurosci & Movement Disorders, London WC1N 3BG, England
[6] Univ Lund Hosp, Div Neurosurg, S-22185 Lund, Sweden
[7] Wallenberg Neurosci Ctr, Neurobiol Unit, S-22184 Lund, Sweden
[8] Wallenberg Neurosci Ctr, Sect Restorat Neurol, S-22184 Lund, Sweden