Affiliation: | 1. Department of Hematology, Rigshospitalet, Copenhagen, Denmark;2. Department of Hematology, Linkoping University Hospital, Linkoping, Sweden;3. Department of Internal Medicine, ?stfold hospital and Department of Haematology, Institute of Clinical Medicine, University of Oslo, Norway;4. Department of Hematology, Turku University Hospital, Turku, Finland;5. Department of Hematology, Roskilde Hospital, Roskilde, Denmark |