1. Clinical Consultations Finnish Red Cross Blood Service, Helsinki University Hospital, Helsinki, Finland
2. Comprehensive Cancer Center, Stem Cell Transplantation Unit; Helsinki University Hospital; Helsinki Finland
3. Department of Medicine, Kuopio University Hospital; Kuopio Finland
4. Department of Internal Medicine, Tampere University Hospital; Tampere Finland
5. Institute of Clinical Medicine Oulu University Hospital; Oulu Finland
6. Department of Internal Medicine, Turku University Hospital; Turku Finland