1 Department of Emergency Medicine, University of California, San Francisco, CA. Electronic address: [email protected].
2 Department of Medicine, Baylor College of Medicine, Houston, TX; Henry J.N. Taub Department of Emergency Medicine, Baylor College of Medicine, Houston, TX; Center for Innovations in Quality Effectiveness and Safety, Baylor College of Medicine, Houston, TX.
3 School of Medicine, University of California, San Francisco, CA.
4 Department of Emergency Medicine, University of California, San Francisco, CA.
5 Department of Emergency Medicine, UCSF-Fresno Medical Education Program, University of California, San Francisco-Fresno, Fresno, CA.