About the Authors

Astha Singhal

Affiliation Health Policy and Health Services Research, Boston University School of Dental Medicine, Boston, Massachusetts, United States of America

Yu-Yu Tien

Affiliation University of Iowa College of Pharmacy, Iowa City, Iowa, United States of America

Renee Y. Hsia

renee.hsia@ucsf.edu

Affiliation Department of Emergency Medicine and Philip R. Lee Institute for Health Policy Studies, University of California at 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: AS YT RH. Analyzed the data: AS YT. Wrote the paper: AS YT RH.