1. NIHR Southampton Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust Southampton UK
2. Human Development and Health, Faculty of Medicine University of Southampton Southampton UK
3. Department of Psychology, Faculty of Humanities and Social Sciences University of Bath Bath UK
4. Primary Care and Population Sciences, Faculty of Medicine University of Southampton Southampton UK
5. School of Health Sciences University of Southampton Southampton UK
6. School of Psychology, College of Health and Life Sciences University of Aston Birmingham UK
7. Clinical Trials Unit, University Hospital Southampton Southampton UK
8. Asthma+Lung UK London UK
9. Physiotherapy Department University Hospital Southampton Southampton UK
10. Centre for Clinical and Community Applications of Health Psychology University of Southampton Southampton UK