Published Online: January 7, 2013. doi:10.1001/jamainternmed.2013.1539
Author Contributions:Study concept and design: Campbell, Pham-Kanter, and Vogeli. Acquisition of data: Campbell. Analysis and interpretation of data: Pham-Kanter, Vogeli, and Iezzoni. Drafting of the manuscript: Campbell. Critical revision of the manuscript for important intellectual content: Campbell, Pham-Kanter, Vogeli, and Iezzoni. Statistical analysis: Pham-Kanter. Obtained funding: Campbell. Study supervision: Campbell.
Conflict of Interest Disclosures: None reported.
Funding/Support: This research was supported by a grant from the Institute on Medical Professionalism at Columbia University.
Role of the Sponsors: The funders had no significant role in the conceptualization, analyses or reporting of this manuscript.