1. Department of Occupational Medicine, University Research Clinic, Danish Ramazzini Centre, Goedstrup Hospital, Glostrup, Denmark
2. School of Physiotherapy, VIA University College, Holstebro, Denmark
3. School of Allied Health, Curtin University, Perth, WA, Australia
4. Center for Muscle and Joint Health, University of Southern Denmark, Odense, Denmark
5. Department of Clinical Medicine, Health, Aarhus University, Aarhus, Denmark
6. Regional Hospital Central Jutland, Viborg, Denmark