1Department of Neurosurgery, Karolinska University Hospital, Stockholm, Sweden
2Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
3Department of Neurosurgery, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark
4Division of Neurosurgery, Department of Clinical Neurosciences, Cambridge Biomedical Campus, University of Cambridge, Cambridge, UK
5ECMO Center Karolinska, Department of Pediatric Perioperative Medicine and Intensive Care, Karolinska University Hospital, Stockholm, Sweden
6Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
© The Author(s). 2020
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