1. National Advisory Unit for Late Effects after Cancer, Oslo University Hospital, Oslo, Norway
2. Department of Medicine, Center for Hematology and Regenerative Medicine, Stockholm, Sweden
3. Karolinska Institutet, and Hematology Center, Karolinska University Hospital, Stockholm, Sweden
4. Department of Medicine,Unit of Hematology, Karolinska Institutet, Stockholm, Sweden
5. Department of Oncology, Oslo University Hospital, Oslo, Norway