1 Karolinska Institute Department of Physiology and Pharmacology (FYFA), C3, Per-Arne Lönnqvist Group - Section of Anesthesiology and Intensive Care, Stockholm, Sweden.
2 Pediatric perioperative medicine and Intensive Care, Karolinska University Hospital Eugenivägen 23, Stockholm, Sweden.
3 Faculty of Medicine, UCLouvain Medical School, Brussels, Belgium.