1. Respiratory Research Unit Department of Respiratory Medicine Copenhagen University Hospital Bispebjerg and Frederiksberg Copenhagen Denmark
2. Copenhagen Center for Translational ResearchCopenhagen University Hospital Bispebjerg and Frederiksberg Copenhagen Denmark
3. Centre for Physical Activity Research Copenhagen University Hospital Rigshospitalet Copenhagen Denmark
4. The Priority Research Centre for Asthma and Respiratory Diseases Hunter Medical Research InstituteUniversity of Newcastle Newcastle Australia