1. Leukemia Research Group, Department of Clinical Science, University of Bergen, 5021 Bergen, Norway
2. Section for Hematology, Department of Medicine, Haukeland University Hospital, 5021 Bergen, Norway
3. Section for Infectious Diseases, Department of Medicine, Haukeland University Hospital, 5021 Bergen, Norway
4. Section for Infectious Diseases, Department of Clinical Research, University of Bergen, 5021 Bergen, Norway
5. Department for Anesthesiology and Intensive Care, Haukeland University Hospital, 5021 Bergen, Norway
6. Faculty of Health, VID Specialized University, Ulriksdal 10, 5009 Bergen, Norway