1. Department of Surgical and Perioperative Sciences, Anesthesiology and Intensive Care Medicine, Umeå University, Umeå, Sweden
2. Department of Clinical Sciences Lund, Section for Infection Medicine, Skåne University Hospital, Lund University, Lund, Sweden
3. Department of Clinical Sciences Lund, Respiratory Medicine and Allergology, Lund University, Lund, Sweden
4. Department of Anesthesia and Intensive Care, Västervik Hospital, Västervik, Sweden
5. Clinical Studies Sweden, Forum South, Skåne University Hospital, Lund, Sweden
6. Department of Cardiothoracic and Vascular Surgery, Linköping University Hospital and Department of Medical and Health Sciences, Linköping University, Linköping, Sweden