1. Department of Hematology, Oncology and Internal Diseases Medical University of Warsaw Warsaw Poland
2. Department of Hematology and Transplantology Medical University of Gdańsk Gdańsk Poland
3. Educational Research Institute Warsaw Poland
4. Department of Hematology Institute of Hematology and Transfusion Medicine Warsaw Poland
5. Department of Experimental Hematology Medical University of Lodz Lodz Poland
6. Department of Hematology and Bone Marrow Transplantation Poznan University of Medical Sciences Poznan Poland
7. Department of Hematology Military Institute of Medicine Warsaw Poland
8. Department of Hematology Independent Public Health Care Ministry of the Interior of Warmia and Mazury Oncology Center Olsztyn Poland
9. Department of Hematology Specialist District Hospital Legnica Poland
10. Department of Hematology and Bone Marrow Transplantation Medical University of Silesia Katowice Poland
11. Independent Clinical Transplantology Unit Medical University of Lublin Lublin Poland
12. Department of Hematology Wroclaw Medical University Wroclaw Poland
13. Department of Hematopoietic Stem Cell Transplantation Institute of Hematology and Transfusion Medicine Warsaw Poland
14. Department of Bone Marrow Transplantation and Hematology‐Oncology Maria Sklodowska‐Curie Institute‐Cancer Center Gliwice Poland