1. Research Unit, Södertälje Hospital, Södertälje, Sweden
2. Karolinska Institutet at Danderyds Hospital (KIDS), Stockholm, Sweden
3. Perioperative Medicine and Intensive Care, Karolinska University Hospital, Solna, Sweden
4. Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
5. Department of Anesthesiology and Intensive Care, and Department of Medical and Health Sciences (IMH), Linköping University, Linköping, Sweden