1. Physiotherapy Department, School of Allied Health Professions and Nursing, University of Liverpool, Liverpool, UK
2. Department of Cardiovascular Sciences and NIHR Leicester Biomedical Research Centre, University of Leicester, Leicester, UK
3. Department of Health and Social Affairs, Hochschule Fresenius University of Applied Sciences, Munich, Germany
4. Physiotherapy Department, University of Leicester, Leicester, UK
5. Department of Respiratory Science, University of Leicester, Leicester, UK