Academic Department of Military Rehabilitation, Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, UK.School of Sport Exercise and Health Sciences, Loughborough University, Loughborough, Leicestershire, UK.Academic Department of Military Rehabilitation, Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, UK oliver.o'sullivan@nhs.net.Headquarters Army Medical Directorate, Camberley, UK.Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, United Kingdom.Department of Sport and Exercise Medicine, Queen's Medical Centre Nottingham University Hospitals NHS Trust, Nottingham, Nottingham, UK.Academic Department of Military Rehabilitation, Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, UK.University of Brighton, Brighton, East Sussex, UK.Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, United Kingdom.Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, United Kingdom.Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, United Kingdom.Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, United Kingdom.Medical Department, Nottinghamshire County Cricket Club, Nottingham, UK.Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, United Kingdom.Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, United Kingdom.Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, United Kingdom.Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, United Kingdom.British Association of Sport and Exercise Medicine, Doncaster, UK.School of Sport Exercise and Health Sciences, Loughborough University, Loughborough, Leicestershire, UK.Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, United Kingdom.Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, United Kingdom.Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, United Kingdom.Medical School, University of Nottingham, Nottingham, Nottinghamshire, UK.Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, United Kingdom.Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, United Kingdom.Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, United Kingdom.Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, United Kingdom.FASIC Sport and Exercise Medicine Clinic, University of Edinburgh, Edinburgh, UK.Academic Department of Military Rehabilitation, Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, UK.National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, London, UK.Defence Medical Rehabilitation Centre, Stanford Hall, Loughborough, United Kingdom.