1. Department of Research and Development; Finnish Red Cross Blood Service; Helsinki Finland
2. Comprehensive Cancer Center, Stem Cell Transplantation Unit; Helsinki University Central Hospital; Helsinki Finland
3. Department of Oncology; Oulu University Hospital; Oulu Finland
4. Department of Haematology and Bone Marrow Transplantation; Tarto University Hospital; Tarto Estonia
5. Department of Internal Medicine; Tampere University Hospital; Tampere Finland