Published on in Vol 7, No 6 (2021): June
1 Institute of Biostatistics and Analyses, Faculty of Medicine, Masaryk University, Brno, Czech Republic
2 Institute of Health Information and Statistics of the Czech Republic, Prague, Czech Republic
3 Facilty of Informatics, Masaryk University, Brno, Czech Republic
4 Department of Paediatric Oncology, Institutions shared with the Faculty Hospital Brno, Faculty of Medicine, Brno, Czech Republic
5 Department of Paediatric Haematology and Oncology, Charles University and University Hospital Motol, Prague, Czech Republic