1. Department of Hematology, Skåne University Hospital, Lund, Sweden;
2. Stem Cell Center, Department of Laboratory Medicine, and
3. Department of Cancer Epidemiology, Lund University, Lund, Sweden;
4. Department of Hematology, Sundsvall Hospital, Sundsvall, Sweden;
5. Department of Hematology, Linköping University Hospital, Linköping, Sweden;
6. Department of Hematology, Linköping University, Linköping, Sweden;
7. Department of Hematology, Sahlgrenska University Hospital, Gothenburg, Sweden;
8. Department of Hematology, Karolinska University Hospital, Stockholm, Sweden;
9. Department of Medical Sciences, Uppsala University, Uppsala, Sweden; and
10. Division of Hematology, Uppsala University Hospital, Uppsala, Sweden