Affiliation: | 1. Division of Pediatric Hematology and Oncology, Department of Pediatrics, Faculty of Medicine, University of Pécs, , Pécs, Hungary;2. Division of Pediatric Hematology and Oncology, II Department of Pediatrics, Semmelweis University of Budapest, , Budapest, Hungary;3. Institute for Medical Informatics, University of Szeged, , Szeged, Hungary;4. Department of Information Technology, Faculty of Sciences, University of Pécs, , Pécs, Hungary;5. National Centre for Epidemiology, , Budapest, Hungary |