1. Department of Emergency Medicine; New York University School of Medicine; New York New York USA
2. Emergency Medicine; Regional Medical Center of San Jose; San Jose California USA
3. Emergency Department; Hue University of Medicine and Pharmacy; Hue University Hospital; Hue Vietnam
4. Department of Radiology; Highline Medical Center; Burien Washington USA
5. Emergency Medicine; Section of Global Health and International Emergency Medicine; Yale University; New Haven Connecticut USA