1. Department of Physiotherapy, School of Health and Caring Professions, Technological Educational Institute (ΤΕΙ) of Western Greece, Aigio, Greece;
2. Department of Orthopaedic Surgery, University Hospital of Patras, Rio, Greece;
3. Faculty of Sport and Health Sciences, University of St Mark & St John, Plymouth, UK;
4. Public Health, Epidemiology and Health Economics, University of Liège, Liège, Belgium;
5. Department of Spinal Cord Injuries, University Hospital of Patras, Rio, Greece