Affiliations

• ¹ Department of Anaesthesia, Children's Hospital at Westmead, Westmead, NSW, Australia.
• ² Discipline of Child and Adolescent Health, University of Sydney, Sydney, NSW, Australia.
• ³ Department of Anaesthesia, Princess Alexandra Hospital, Brisbane, QLD, Australia.
• ⁴ Discipline of Anaesthesiology and Critical Care, Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia.
• ⁵ Department of Medical Physics and Biomedical Engineering, University College London, London, UK.