1. Hammel Neurorehabilitation Centre and University Research Clinic, RM, Hospital Unit Viborg, Silkeborg, Hammel and Skive, University of Aarhus, Denmark
2. Research Unit of General Practice, Department of Public Health, University of Southern Denmark, Odense, Denmark
3. Research Unit of General Practice, Aarhus, Denmark
4. DRIVEN, Institute of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
5. Department of Geosciences and Natural Resource Management, University of Copenhagen, Denmark