1. Institute of Nursing and Nutrition; Copehagen University College; Copenhagen Denmark
2. Department of Oncology; Copenhagen University Hospital; Rigshospitalet Copenhagen Denmark
3. Department of Public Health; Aarhus University; Denmark
4. Department of Hematology; Copenhagen University Hospital, Rigshospitalet; Copenhagen Denmark
5. Department of Public Health; Faculty of Health and Medical Sciences; University of Copenhagen; Copenhagen Denmark