1. Department of Hematology, Transplantation and Internal Diseases Medical University of Warsaw Warsaw Poland
2. Faculty of Computer Science Bialystok University of Technology Bialystok Poland
3. Department of Hematooncology and Bone Marrow Transplantation Medical University of Lublin Lublin Poland
4. Department of Hematology Institute of Hematology and Transfusion Medicine Warsaw Poland
5. Department of Hematology Medical University of Lodz Lodz Poland
6. Department of Hematology Copernicus Memorial Hospital in Lodz Comprehensive Cancer Center and Traumatology Lodz Poland
7. Department of Hematology and Bone Marrow Transplantation Medical University of Silesia Katowice Poland
8. Department of Bone Marrow Transplantation and Oncohematology Maria Sklodowska‐Curie Institute‐Cancer Center Gliwice Poland
9. Department of Lymphoid Malignancies Maria Sklodowska‐Curie Memorial Cancer Centre and Institute of Oncology Warsaw Poland
10. Department of Hematology Wroclaw Medical University Wroclaw Poland
11. Department of Hematology Jagiellonian University Cracow Poland