1. Department of Pulmonary and Infectious Diseases, Copenhagen University Hospital—North Zealand , Hillerød , Denmark
2. Centre for Physical Activity Research, Copenhagen University Hospital—Rigshospitalet , Copenhagen , Denmark
3. Department of Infectious Diseases, Copenhagen University Hospital, Rigshospitalet , Copenhagen , Denmark
4. Department of Clinical Medicine, University of Copenhagen , Copenhagen , Denmark
5. National Institute of Public Health, University of Southern Denmark , Copenhagen , Denmark
6. Department of Infectious Diseases, Copenhagen University Hospital , Copenhagen , Denmark