1. Clinical Epidemiology Division Department of Medicin Solna Karolinska Institutet Stockholm Sweden
2. Center for Hematology Karolinska University Hospital Solna Sweden
3. Department of Immunology, Genetics and Pathology Unit of Clinical Oncology Uppsala University Uppsala Sweden
4. Section of Hematology and Coagulation Department of Internal Medicine Institute of Medicine Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
5. Department of Oncology Sahlgrenska University Hospital Gothenburg Sweden
6. Department of Oncology Lund University Lund Sweden