1. Divisions of Cytology, Hematology, and Immunology of the Clinical Institute of Laboratory Diagnosis, Zagreb University Clinical Hospital Center and School of Medicine, 10000 Zagreb, Croatia.
2. Division of Cytology, Hematology, and Immunology of the Clinical Institute of Laboratory Diagnosis, Zagreb University Clinical Hospital Center and School of Medicine, 10000 Zagreb, Croatia.
3. Department of Hematology, Zagreb University Clinical Hospital Center and School of Medicine, 10000 Zagreb, Croatia.
4. Department of Pediatrics, Zagreb University Clinical Hospital Center and School of Medicine, 10000 Zagreb, Croatia
5. Division of Cytology, Hematology, and Immunology of the Clinical Institute of Laboratory Diagnosis, Zagreb University Clinical Hospital Center and School of Medicine, 10000 Zagreb, Croatia