About the Authors

Suzanne Lippert

slippert@stanford.edu

Current address: Division of Emergency Medicine, Stanford Hospital and Clinics, Stanford, California, United States of America

Affiliation Department of Emergency Medicine, Alameda County Medical Center, Oakland, California, United States of America

Michael L. Callaham

Affiliations Department of Emergency Medicine, University of California San Francisco, San Francisco, California, United States of America, Annals of Emergency Medicine, American College of Emergency Physicians, Irving, Texas, United States of America

Bernard Lo

Affiliation Department of Medicine, University of California San Francisco, San Francisco, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SCL MC BL. Performed the experiments: SCL MC BL. Analyzed the data: SCL MC BL. Contributed reagents/materials/analysis tools: SCL MC BL. Wrote the paper: SCL MC BL.