1. National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark
2. Clinical Department of Neurology, Glostrup Hospital, Glostrup, Denmark
3. Survivorship, Danish Cancer Society Research Center, Copenhagen, Denmark
4. Research Unit of General Practice, Institute of Public Health, University of Southern Denmark, Odense, Denmark
5. Oncology Clinic, Finsen Center, 5073 Rigshospitalet, University of Copenhagen, Copenhagen, Denmark