| Affiliation: | 1. Division of Emergency Medicine, Department of Pediatrics, Hospital for Sick Children and University of Toronto, Toronto, Ontario, Canada;2. Department of Diagnostic Imaging, Hospital for Sick Children and University of Toronto, Toronto, Ontario, Canada;3. Division of Orthopedics, Department of Surgery, Hospital for Sick Children and University of Toronto, Toronto, Ontario, Canada;4. Research Institute at the Hospital for Sick Children and Dalla Lana School of Public Health at the University of Toronto, Toronto, Ontario, Canada;1. Harvard Medical School, Boston, MA;2. University of Colorado School of Medicine, Aurora, CO;3. Department of Emergency Medicine, Beth Israel Deaconess Medical Center, Boston, MA;1. Emergency Department, Casey Hospital, Monash Health, Melbourne, Victoria, Australia;2. School of Clinical Sciences, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Victoria, Australia;3. Department of Emergency Medicine, Mayo Clinic, Rochester, MN;1. Department of Emergency Medicine, Rush University Medical Center, Chicago, IL;2. Department of Emergency Medicine, John H. Stroger, Jr. Hospital of Cook County, Chicago, IL;3. Library of Rush University Medical Center, Rush University, Chicago, IL;1. Campbell University School of Osteopathic Medicine, Buies Creek, NC;2. University of Massachusetts Medical School at Baystate Medical Center, Springfield, MA;3. Planned Parenthood South Atlantic, Chapel Hill, and WakeMed Health & Hospitals, Raleigh, NC |
