About the Authors

Richard L. Kravitz

rlkravitz@ucdavis.edu

Affiliation Department of Medicine, University of California Davis, Sacramento, California, United States of America

Peter Franks

Affiliation Department of Family and Community Medicine, University of California Davis, Sacramento, California, United States of America

Mitchell D. Feldman

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

Martha Gerrity

Affiliation Department of Medicine, Oregon Health & Science University Portland, Oregon, United States of America

Cindy Byrne

Affiliation Regenstrief Institute, Indianapolis, Indiana, United States of America

William M. Tierney

Affiliation Regenstrief Institute, Indianapolis, Indiana, United States of America

Competing Interests

Drs. Kravitz and Feldman are the current editors-in-chief of the Journal of General Internal Medicine. Drs. Tierney and Gerrity are the immediate past editors-in-chief. Ms. Byrne is managing editor of the journal. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: RLK PF MDF WT. Performed the experiments: MG CB WT. Analyzed the data: PF. Wrote the paper: RLK PF MDF MG WT. Made substantive contributions to the manuscript: PF. Contributed to drafts of the manuscript: MDF MG. Maintained the editorial database: CB. Reviewed the final manuscript: CB. Edited the manuscript: WT. Made substantive contributions to the final draft: WT.