1. University of Oxford; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS); Oxford UK
2. Aintree University Hospital; Department of Thoracic Medicine; Liverpool UK
3. Lancaster University; Medical School; Lancaster UK
4. Edge Hill University; Sport and Physical Activity; Ormskirk UK
5. Southport and Ormskirk Hospital NHS Trust; Southport UK PR8 6PN
6. Edge Hill University; Faculty of Health and Social Care; Ormskirk UK
7. Edge Hill University; Postgraduate Medical Institute; St Helens Road Ormskirk Lancashire UK L39 4QP