1. Department of Intensive Care 4131; Copenhagen University Hospital, Rigshospitalet; Copenhagen Denmark
2. Centre for Research in Intensive Care (CRIC); Copenhagen Denmark
3. Department of Clinical Science and Education; Södersjukhuset; Section of Anaesthesia and Intensive Care; Karolinska Institutet; Stockholm Sweden
4. Copenhagen Trial Unit; Centre for Clinical Intervention Research; Copenhagen University Hospital, Rigshospitalet; Copenhagen Denmark