1. National Research Centre for the Working Environment , Copenhagen, Denmark
2. Department of Health Science and Technology, Aalborg University , Aalborg, Denmark
3. Exercise Intervention for Health Research Group (EXINH-RG), Department of Physiotherapy, University of Valencia , Valencia, Spain
4. Department of Physical Medicine and Nursing, University of Zaragoza, C. de Pedro Cerbuna , Zaragoza, Spain
5. Department of Occupational and Environmental Medicine, Institute of Clinical Research, Odense University Hospital, University of Southern Denmark , Odense, Denmark