1. School of Public Health, University of Edinburgh, Edinburgh, UK
2. Department of Emergency Medicine, Alpert Medical School of Brown University, Providence, Rhode Island, USA
3. Department of Emergency Medicine, University of Colorado School of Medicine, Denver, Colorado, USA
4. Department of Emergency Medicine, Emory Healthcare Network, Atlanta, Georgia, USA
5. Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
6. Departments of Pediatrics and Global Health, University of Washington, Seattle, Washington, USA
7. Department of Emergency Medicine, Brigham and Women's Hospital, Boston, Massachusetts, and Harvard Humanitarian Initiative, Cambridge, Massachusetts, USA
8. Department of Emergency Medicine, University of Florida, Gainesville, Florida, USA
9. Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK