1. Department of Hematology, Uppsala University, Sweden
2. Institution of PathologyUniversity of Cologne, Germany
3. Section of Hematology and CoagulationSahlgrenska University Hospital, Gothenburg, Sweden
4. Hematology CenterKarolinska University Hospital, Solna, Sweden
5. Hematology CenterKarolinska University Center, Huddinge, Sweden
6. Department of MedicineUniversity Hospital, Umeå, Sweden
7. Department of HematologyUniversity Hospital, Lund, Sweden
8. Department of Medicine, Stockholm South Hospital, Sweden