1. Department of Emergency Medicine Oregon Health & Science University Portland Oregon USA
2. Pacific Northwest Evidence‐based Practice Center, Department of Medical Informatics and Clinical Epidemiology Oregon Health & Science University Portland Oregon USA
3. Department of Surgery University of Louisville School of Medicine Louisville Kentucky USA
4. Department of Surgery University of Pittsburgh Medical Center Pittsburgh Pennsylvania USA
5. Department of Pediatrics University of Utah Salt Lake City Utah USA
6. Department of Surgery UC Davis Sacramento California USA
7. Department of Surgery University of Washington Seattle Washington USA
8. Department of Surgery University of Rochester Rochester New York USA
9. Department of Emergency Medicine University at Buffalo Buffalo New York USA