1. Department of Biology; Faculty of Medicine and Dentistry; Palacky University; Olomouc Czech Republic
2. Institute of Molecular and Translational Medicine; Faculty of Medicine and Dentistry; Palacky University; Olomouc Czech Republic
3. Department of Paediatrics; University Hospital and Faculty of Medicine and Dentistry; Palacky University; Olomouc Czech Republic
4. Institute of Haematology and Blood Transfusion; Prague Czech Republic
5. Children's Faculty Hospital with Policlinic; Bratislava Slovak Republic
6. Department of Haemato-Oncology; University Hospital and Faculty of Medicine and Dentistry; Palacky University; Olomouc Czech Republic
7. Department of Paediatric Haematology and Oncology; University Hospital Motol; Prague Czech Republic