About the Authors

Suhui Li

suhuili@gwu.edu.

Affiliation Department of Health Policy, George Washington University, Washington, District of Columbia, United States of America

Arnold Chen

Affiliation Mathematica Policy Research, Princeton, New Jersey, United States of America

Katherine Mead

Affiliation Department of Health Policy, George Washington University, Washington, District of Columbia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SL AC KM. Performed the experiments: SL AC. Analyzed the data: SL. Wrote the paper: SL AC KM.