1. Public Health and Epidemiology Group, Department of Health Science and Technology, The Faculty of Medicine, Aalborg University, Gistrup, Denmark
2. Aalborg Centre of Health and Rehabilitation, Aalborg Municipality, Aalborg, Denmark
3. REHPA, The Danish Knowledge Centre for Rehabilitation and Palliative Care, Nyborg, Denmark
4. Section of Social Medicine, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
5. Clinic for Surgery and Cancer Treatment & Clinical Nursing Research Unit, Aalborg University Hospital, Aalborg, Denmark
6. Department of Clinical Medicine, Aalborg University, Aalborg, Denmark