1. Clinical Epidemiology Division, Department of Medicine Solna Karolinska Institutet Stockholm Sweden
2. Department of Hematology Karolinska University Hospital Stockholm Sweden
3. Department of Hematology, Clinical Cancer Research Center Aalborg University Hospital Aalborg Denmark
4. Department of Mathematical Science Aalborg University Aalborg Denmark
5. Department of Immunology, Genetics and Pathology, Unit of Experimental and Clinical Oncology Uppsala University Uppsala Sweden
6. Department of Reproductive Medicine, Division of Gynecology and Reproduction Karolinska University Hospital Stockholm Sweden
7. Department of Oncology Oslo University Hospital Oslo Norway
8. Department of Hematology Odense University Hospital Odense Denmark