1. Department of Biomedical Polymers Institute of Macromolecular Chemistry CAS Heyrovského nám. 2 Prague 162 00 Czech Republic
2. CLIP (Childhood Leukemia Investigation Prague) Department of Paediatric Haematology and Oncology Second Faculty of Medicine Charles University and University Hospital Motol V Úvalu 84 Prague 150 06 Czech Republic
3. R&D division I.T.A.‐Intertact s.r.o Černokostelecká 143 Prague 108 00 Czech Republic