1. Department of Hematology; Charles University General Hospital Prague; Prague Czech Republic
2. Institute of Pathological Physiology, First Faculty of Medicine, Charles University in Prague; Prague Czech Republic
3. Childhood Leukemia Investigation Prague (CLIP), Faculty Hospital Motol Prague; Prague Czech Republic
4. Center of Oncocytogenetics, Institute of Clinical Biochemistry and Laboratory Diagnostics, First Faculty of Medicine, Charles University in Prague; Prague Czech Republic
5. Department of Pathology; Charles University General Hospital Prague; Prague Czech Republic
6. Department of Pathology and Molecular Medicine; Second Faculty of Medicine, Faculty Hospital Motol Prague; Prague Czech Republic
7. Synlab Genetics, Department of Cytogenetics; Prague Czech Republic