1. Clinical Trials Methods and Outcomes Lab, Palliative and Advanced Illness Research Center, Perelman School of Medicine at the University of Pennsylvania, Philadelphia
2. Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia
3. Department of Intensive Care 4131, Copenhagen University Hospital–Rigshospitalet, Copenhagen
4. Department of Pediatrics, University of Michigan Medical School, Ann Arbor, MI
5. Academic Research Organization, Hospital Albert Einstein, São Paulo
6. Department of Critical Care Medicine, Faculty of Medicine and Dentistry, University of Alberta, AB, Canada
7. Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto
8. Department of Medicine, Division of Respirology, University Health Network, Toronto
9. Toronto General Hospital Research Institute, Toronto
10. Department of Anesthesiology and Critical Care Medicine, Children’s Hospital of Philadelphia, Philadelphia