1 Center for Pediatric Oncology and Hematology, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania; Vilnius University, Institute of Clinical Medicine, Clinic of Children's Diseases, Vilnius, Lithuania. Electronic address: jelena.rascon@santa.lt.
2 Institute of Data Science and Digital Technologies, Vilnius University, Vilnius, Lithuania.
3 Center for Pediatric Oncology and Hematology, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania.
4 Department of Hematology and Oncology, Children's Clinical University Hospital, Riga, Latvia; Riga Stradins University, Riga, Latvia.
5 Institute of Data Science and Digital Technologies, Vilnius University, Vilnius, Lithuania; Department of Human and Medical Genetics, Institute of Biomedical Sciences, Vilnius University, Vilnius, Lithuania.
6 Center for Pediatric Oncology and Hematology, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania; Vilnius University, Institute of Clinical Medicine, Clinic of Children's Diseases, Vilnius, Lithuania.