1 Prague Brain Tumor Research Group, Second Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic.
2 Department of Pediatric Haematology and Oncology, Second Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic.
3 Department of Pathology and Molecular Medicine, Second Faculty of Medicine, Charles University Prague and Faculty Hospital Motol, Prague, Czech Republic.
4 Department of Radiology, Second Faculty of Medicine, Charles University in Prague and Motol University Hospital, Prague, Czech Republic.
5 Department of Neurosurgery, Second Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic.
6 Department of Neurology, Second Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic.
7 Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany.
8 Pediatric Glioma Research Group, German Cancer Research Center (DKFZ), Heidelberg, Germany.
9 Division of Biostatistics, German Cancer Research Center (DKFZ), Heidelberg, Germany.
10 Department of Pediatric Oncology and Hematology, Children's University Hospital, Banska Bystrica, Slovakia.
11 Prague Brain Tumor Research Group, Second Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic. michal.zapotocky@fnmotol.cz.
12 Department of Pediatric Haematology and Oncology, Second Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic. michal.zapotocky@fnmotol.cz.