1. Department of Anaesthesiology and Intensive Care; Nordsjaellands Hospital; Hilleroed Denmark
2. Department of Intensive Care 4131; Rigshospitalet; Copenhagen Denmark
3. Department of Clinical Research; Nordsjaellands Hospital; Hilleroed Denmark
4. Department of Public Health; Section of Biostatistics; Copenhagen University; Copenhagen Denmark
5. Department of Anaesthesiology and Intensive Care; Aalborg University Hospital; Aalborg Denmark
6. CHIP & PERSIMUNE; Department of Infectious Diseases; Rigshospitalet; Copenhagen Denmark
7. Department of Internal Medicine; Section for Respiratory Medicine; Herlev Gentofte Hospital; Hellerup Denmark