1. University Clinical Center of Serbia, Clinic of Hematology, Belgrade, Serbia + University of Belgrade, Faculty of Medicine, Belgrade, Serbia
2. University Clinical Center of Serbia, Clinic of Hematology, Belgrade, Serbia
3. University of Belgrade, Faculty of Medicine, Belgrade, Serbia + Dr. Dragiša Mišović Clinical Hospital Center, Clinic of Internal Medicine, Belgrade, Serbia
4. University of Belgrade, Iinstitute of Molecular Genetics and Genetic Engineering, Belgrade, Serbia