1. Department of Emergency Medicine Massachusetts General Hospital Boston MA
2. Harvard Medical School Boston MA
3. Departments of Radiology and Epidemiology Erasmus University Medical Center Rotterdam Netherlands
4. Centre for Health Decision Science Harvard T.H. Chan School of Public Health Boston MA
5. Division of Cardiovascular Imaging Department of Radiology Boston MA
6. Division of Emergency Imaging Department of Radiology Boston MA
7. Department of Orthopaedic Surgery Boston MA
8. Harvard Orthopaedic Trauma Initiative Boston MA
9. Department of Radiology Brigham and Women's Hospital Boston MA