1. Clinical Exercise Physiology and Rehabilitation Research Laboratory, Physiotherapy Department, Faculty of Health Sciences, University of Thessaly, 35100 Lamia, Greece
2. Exercise Psychology & Quality of Life Research Laboratory, Department of Physical Education and Sport Science, University of Thessaly, 42100 Trikala, Greece
3. Health Assessment and Quality of Life Research Laboratory, Physiotherapy Department, Faculty of Health Sciences, University of Thessaly, 35100 Lamia, Greece
4. Division of Musculoskeletal & Dermatological Sciences, Honorary Research Associate, University of Manchester, Manchester M13 9PL, UK