[1] Acad Sci Czech Republic, Inst Expt Med, Dept Cellular Neurophysiol, Neurobiol Lab,Vvi, Prague 14220 4, Czech Republic
[2] Acad Sci Czech Republic, Dept Neurosci, Prague 14220 4, Czech Republic
[3] Charles Univ Prague, Fac Med 2, Dept Neurosci, Prague, Czech Republic
[4] Charles Univ Prague, Fac Med 2, Ctr Cell Therapy & Tissue Repair, Prague, Czech Republic
[5] Inst Clin & Expt Med, Dept Diagnost & Intervent Radiol, Prague, Czech Republic