About the Authors

Seth A. Berkowitz

Seth.Berkowitz@ucsf.edu

Affiliation Division of General Internal Medicine, University of California San Francisco, San Francisco, California, United States of America

Robert A. Bell

Affiliations Department of Communication, University of California Davis, Davis, California, United States of America, Department of Public Health Sciences, University of California Davis, Davis, California, United States of America

Richard L. Kravitz

Affiliation Division of General Medicine, University of California Davis, Sacramento, California, United States of America

Mitchell D. Feldman

Affiliation Division of General Internal 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: RAB RLK MDF. Performed the experiments: RAB RLK. Analyzed the data: SAB RAB. Contributed reagents/materials/analysis tools: SAB RAB RLK. Wrote the paper: SAB RAB RLK MDF.