1. Centre for Health and Rehabilitation Technologies, Ulster University, Newtownabbey, UK;
2. Centre for Health and Rehabilitation Technologies, Ulster University and UKCRC Centre of Excellence for Public Health, Northern Ireland, UK;
3. Centre for Experimental Medicine, School of Medicine, Dentistry & Biomedical Sciences, Queens University Belfast, Belfast, UK;
4. Department of Psychology, Sociology & Politics, Sheffield Hallam University, Heart of the Campus, Collegiate Crescent, Sheffield, UK;
5. Faculty of Kinesiology and Rehabilitation Sciences, Katholieke Universiteit Leuven, Leuven, Belgium;
6. Northern Ireland Clinical Research Network (Respiratory Health), Belfast Health and Social Care Trust, Belfast, UK;
7. Department of Respiratory Medicine, Western Health and Social Care Trust, Enniskillen, Northern Ireland, UK;
8. Department of Respiratory Medicine, St. Vincent’s University Hospital, Dublin, Ireland;
9. Centre for Experimental Medicine, School of Medicine, Dentistry & Biomedical Sciences, Queens University Belfast, Belfast, UK