1. Department of Emergency Medicine, Center for Policy and Research in Emergency Medicine Oregon Health & Science University Oregon Portland USA
2. Department of Obstetrics and Gynecology Oregon Health & Science University Oregon Portland USA
3. Division of General Internal Medicine & Geriatrics, Department of Medicine Oregon Health & Science University Oregon Portland USA
4. Department of Surgery University of Washington Seattle Washington USA
5. Department of Surgery Stanford University Medical Center Palo Alto California USA
6. Department of Emergency Medicine, Center for Health Systems Effectiveness Oregon Health & Science University Oregon Portland USA