1. Department of Public Health, Section for Nursing Science, Aarhus University, Aarhus, Denmark;
2. Department of Public Health, Section for Clinical Social Medicine and Rehabilitation, Aarhus University, Aarhus, Denmark;
3. DEFACTUM, Central Denmark Region, Aarhus, Denmark;
4. Department of Affective Disorders, Aarhus University Hospital, Risskov, Central Denmark Region, Aarhus, Denmark;
5. Spine Unit, Elective Surgery Centre, Regional Hospital Central Jutland, Silkeborg, Denmark;
6. Danish Centre of Systematic Reviews: A Joanna Briggs Institute Centre of Excellence, Department of Medicine and Technology, University of Aalborg, Aalborg, Denmark