1. Department of Hematology of Somogy County Kaposi Mór Teaching Hospital Kaposvár Hungary
2. St. Borbála Hospital Tatabánya Hungary
3. Laboratory of Molecular Diagnostics Hungarian National Blood Transfusion Service Budapest Hungary
4. Department of Internal Medicine University of Debrecen Debrecen Hungary
5. Department of Internal Medicine Semmelweis University Budapest Hungary
6. Pázmány Péter Catholic University Budapest Hungary