1. Department of Clinical Immunology,
2. Department of Clinical Medicine and
3. Department of Intensive Care, Copenhagen University Hospital–Herlev and Gentofte, Copenhagen, Denmark;
4. Department of Intensive Care, Copenhagen University Hospital–North Zealand, Copenhagen, Denmark;
5. Department of Intensive Care, Copenhagen University Hospital–Bispebjerg and Frederiksberg, Copenhagen, Denmark;
6. Department of Intensive Care. Copenhagen University Hospital–Amager and Hvidovre, Copenhagen, Denmark; and
7. Department of Biostatistics, University of Copenhagen, Copenhagen, Denmark
8. Department of Anaesthesiology, Center of Head and Orthopaedics,
9. Department of Intensive Care, Copenhagen University Hospital–Rigshospitalet, Copenhagen, Denmark;