1 Department of Pediatric Critical Care, Shizuoka Children's Hospital, 860 Urushiyama, Aoi-ku, Shizuoka, Shizuoka, 420-8660, Japan. tatsuya-kawasaki@i.shizuoka-pho.jp.
2 Department of Emergency and Critical Care Medicine, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan.
3 Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Australia.
4 University of Melbourne, Melbourne, Australia.
5 Intensive Care, Austin Health, Melbourne, Australia.
6 Cardiothoracic Intensive Care Unit, National University Health System, Singapore, Singapore.
7 Paediatric Intensive Care Unit, The Royal Children's Hospital, Melbourne, Australia.
8 The Australian and New Zealand Intensive Care Society (ANZICS) Centre for Outcome and Resource Evaluation (CORE), ANZICS House, Levers Terrace, Carlton South, Melbourne, Australia.
9 Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia.
10 Department of Intensive Care, The Alfred Hospital, Commercial Road, Prahran, VIC, Australia.
11 Paediatric Critical Care Research Group, Mater Research Institute and Faculty of Medicine, The University of Queensland, Brisbane, Australia.
12 Paediatric Intensive Care Unit, Lady Cilento Children's Hospital, Brisbane, Australia.
13 Department of Pediatrics, Bern University Hospital, Inselspital, University of Bern, Bern, Switzerland.