St. Marianna University, Acute Care General Hospital Carlos G Durand, Hospices Civils de Lyon, Bambino Gesù Children's Hospital, SingHealth Duke-NUS Global Health Institute, Great Ormond Street Hospital - Paediatric Intensive Care Unit, Hospital Israelita Albert Einstein, Ludwig Maximilian University of Munich (LMU) - Dr. von Hauner Children's Hospital, University of Ulsan - Asan Image Metrics, Cruces University Hospital, Beatrix Children’s Hospital - Division of Paediatric Critical Care Medicine, Universitat de Barcelona, University of Pennsylvania - Children's Hospital of Philadelphia, Harvard University - Boston Children’s Hospital, Shizuoka Children’s Hospital, University of Alberta - Stollery Children's Hospital, University of Alberta - Stollery Children's Hospital and University of Montreal - CHU Sainte-Justine Research Center

University of Southampton - Faculty of Medicine, Health and Life Sciences, University of Southampton, University of Southampton, Sydney Children's Hospital - Kids Cancer Center, University of Southampton and Great Ormond Street Hospital - Paediatric Intensive Care Unit

Nottingham Children's Hospital - Paediatric Critical Care Unit, Evelina Children's Hospital - Paediatric Intensive Care Unit (PICU), Nottingham Children's Hospital - Paediatric Critical Care Unit, Nottingham Children's Hospital - Paediatric Critical Care Unit, Evelina Children's Hospital - Paediatric Intensive Care Unit (PICU), Great Ormond Street Hospital - Paediatric Intensive Care Unit, Great Ormond Street Hospital - Paediatric Intensive Care Unit, Birmingham Women’s and Children’s NHS Foundation Trust - Paediatric Intensive Care Unit, Royal Manchester Children's Hospital - Paediatric Intensive Care Unit, King's College Hospital - Paediatric Intensive Care Unit, Great Ormond Street Hospital - Paediatric Intensive Care Unit, Evelina Children's Hospital - Paediatric Intensive Care Unit (PICU), Leicester Royal Infirmary - Paediatric Intensive Care Unit, Leeds Royal Infirmary - Paediatric Intensive Care Unit, Children's Hospital for Wales - Paediatric Critical Care Unit, Southampton Children’s Hospital - Paediatric Intensive Care Unit, Alder Hey Children's Hospital - Paediatric Intensive Care Unit, Royal Hospital for Children - Paediatric Intensive Care Unit, St Mary’s Hospital - Paediatric Intensive Care Unit, John Radcliffe Hospital - Paediatric Critical Care Unit, Imperial College Healthcare NHS Trust - Paediatric Infectious Diseases Department, Nottingham Children's Hospital - Paediatric Critical Care Unit, St Mary’s Hospital - Paediatric Intensive Care Unit and Birmingham Women’s and Children’s NHS Foundation Trust - Paediatric Intensive Care Unit

Durham University, affiliation not provided to SSRN and Great Ormond Street Hospital - Paediatric Intensive Care Unit