1. Department of Anesthesiology and Intensive Care, Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden.
2. Department of Neurosurgery, Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden.
3. Department of MolMed and Surgery, Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden.
4. Department of Clinical Science, Karolinska Institutet, and Division of Cardiology, Danderyd Hospital, Stockholm, Sweden.