1. Department of Emergency Medicine College of Medicine Korea University Seoul Korea
2. Berry Consultants, LLC Austin Texas USA
3. Los Angeles County Emergency Medical Services Agency Santa Fe Springs California USA
4. Department of Emergency Medicine Harbor‐UCLA Medical Center Torrance California USA
5. Departments of Pediatrics Harbor‐UCLA Medical Center Torrance California USA
6. Department of Emergency Medicine David Geffen School of Medicine at UCLA Los Angeles California USA
7. Department of Emergency Medicine The Ohio State University Columbus Ohio USA
8. Department of Emergency Medicine Oregon Health and Science University Portland Oregon USA