1. School of Health and Society, The University of Salford, Salford, UK
2. The Peter Harrison Centre for Disability Sport, School of Sport Exercise and Health Sciences, Loughborough University, Loughborough, UK
3. Human Engineering Research Laboratories, Department of Veterans Affairs, Rehabilitation Research and Development Service, University of Pittsburgh, Pittsburgh, PA, USA
4. Department of Rehabilitation Science and Technology and Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, PA, USA
5. School of Health and Exercise Sciences, The University of British Columbia, Vancouver, Canada