1 Department of Anesthesiology and Intensive Care Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden. Electronic address: oscar.cavefors@gu.se.
2 Perioperative Medicine and Intensive Care, Karolinska University Hospital, Stockholm, Sweden; Department of Medicine, Cardiology Unit, Karolinska Institutet, Stockholm, Sweden.
3 Department of Anesthesiology and Intensive Care Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.