1. School of Organisation and Development, Research Group Occupation and Health, HAN University of Applied Sciences, PO Box 6960, 6503 GL Nijmegen, the Netherlands
2. Allied Health & Human Performance, University of South Australia, Adelaide, Australia
3. Department of Physical Therapy, University of Alberta, Edmonton, Alberta, Canada
4. School of Organisation and Development, Research Group Occupation and Health, HAN University of Applied Sciences
5. School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Australia
6. School of Health, Physiotherapy, Coventry University, Coventry, United Kingdom
7. Department of Health Science, Lund University, Lund, Sweden