1 Children's Intensive Care Research Program, Child Health Research Centre, The University of Queensland, Brisbane, QLD, Australia.
2 Paediatric Intensive Care Unit, Starship Children's Hospital, Auckland, New Zealand.
3 Paediatric Intensive Care Unit, Royal Children's Hospital, Parkville, VIC, Australia.
4 Clinical Sciences, Murdoch Children's Research Institute, Parkville, VIC, Australia.
5 Paediatric Intensive Care Unit, Perth Children's Hospital, Nedlands, WA, Australia.
6 Paediatric Intensive Care Unit, The Children's Hospital at Westmead, Westmead, NSW, Australia.
7 School of Nursing, Centre for Healthcare Transformation, Queensland University of Technology, Kelvin Grove, QLD, Australia.
8 Paediatric Intensive Care Unit, Queensland Children's Hospital, South Brisbane, QLD, Australia.
9 Department of Intensive Care and Neonatology, and Children's Research Center, University Children's Hospital Zurich, University of Zurich, Zurich, Switzerland.
10 Australian and New Zealand Paediatric Intensive Care Registry.
11 The Children's Hospital at Westmead, Sydney, NSW, Australia.
12 Gold Coast University Hospital, Gold Coast, QLD, Australia.
13 John Hunter Hospital, Newcastle, NSW, Australia.