1. Laboratory of Molecular Diagnostics, Hungarian National Blood Transfusion Service, Budapest, Hungary;
2. 3rd Department of Internal Medicine, Semmelweis University, Budapest, Hungary;
3. Department of Haematology and Stem Cell Transplantation, St. Istvan and St. Laszlo Hospital, Budapest, Hungary;
4. Department of Pathophysiology, Semmelweis University, Budapest, Hungary