| Authors: |
Barrett J; West Midlands Adult CF Centre, University Hospitals Birmingham NHS Foundation Trust, Birmingham, England, B9 5SS, UK.; School of Sport Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, England, B15 2TT, UK., Topping AE; College of Medicine and Health, University of Birmingham, Birmingham, England, B15 2TT, UK., Ntoumanis N; School of Sport Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, England, B15 2TT, UK.; Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense M, Island of Funen, DK-5230, Denmark., Turner AM; Institute of Applied Health Research,, University of Birmingham, Birmingham, England, B15 2TT, UK., White H; Leeds Beckett University School of Health, Leeds, England, LS1 3HE, UK., Fenton SAM; School of Sport Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, England, B15 2TT, UK.; NIHR Birmingham Biomedical Research Centre, University Hospitals Birmingham, University of Birmingham, Birmingham, England, UK. |