1. College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
2. Division of Sports and Exercise, University of the West of Scotland, Lanarkshire, UK
3. Glasgow Clinical Research Facility, Glasgow Royal Infirmary, Glasgow, UK
4. Institute of Infection, Inflammation and Immunity, University of Glasgow, Glasgow, UK
5. Centre for Health and Exercise Research, Hong Kong Baptist University, Kowloon Tong, Hong Kong
6. Respiratory Department, Glasgow Royal Infirmary, Glasgow, UK