1Department of Haematology and Oncology, Children’s Hospital Zagreb, Zagreb, Croatia
2Department of Transfusion Medicine and Transplantation Biology, University Hospital Centre Zagreb, Zagreb, Croatia
3Department of Laboratory Diagnostics, University Hospital Centre Zagreb, Zagreb, Croatia
*Corresponding Author:
Gordana Jakovljevic, Department of Haematology and Oncology, Children’s Hospital Zagreb, Klaićeva 16, 10000 Zagreb, Croatia, Tel: + 385 91 4600 152 Email: