[1] Masaryk Univ, St Annes Univ Hosp, Dept Neurosurg, Brno, Czech Republic
[2] Masaryk Univ, St Annes Univ Hosp, Dept Diagnost Imaging, Brno, Czech Republic
[3] Masaryk Univ, Masaryk Mem Inst, Dept Radiat Oncol, Brno, Czech Republic
[4] St Annes Univ Hosp, Internartinal Clin Res Ctr, Brno, Czech Republic