1. Centre for Physical Activity Research, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
2. Department of Respiratory Medicine, Copenhagen University Hospital, Hvidovre, Copenhagen, Denmark
3. Department of Internal Medicine, Slagelse Hospital, Slagelse, Denmark
4. Department of Cardiology, Bispebjerg and Frederiksberg Hospital, Copenhagen Denmark
5. Department of Nutrition Exercise and Sports, University of Copenhagen, Copenhagen Denmark
6. Department of Otorhinolaryngology, Rigshospitalet, Copenhagen Denmark