About the Authors

Kirby Lee

Affiliation Department of Clinical Pharmacy, University of California San Francisco, San Francisco, California, United States of America

Peter Bacchetti

Affiliation Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California, United States of America

Ida Sim

To whom correspondence should be addressed. E-mail: ida.sim@ucsf.edu

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

KL codesigned the study; analyzed the data; cowrote the first draft; contributed to the writing of the paper; and reviewed final paper. PB helped design the study; helped analyze the data; contributed to the writing of the paper; and reviewed final paper. IS originated the idea for study, designed the study; helped analyze the data; co-wrote the first draft; contributed to the writing of the paper; and reviewed final paper.