About the Authors

Rada K. Dagher

rdagher1@umd.edu

Affiliation Department of Health Services Administration, School of Public Health, University of Maryland, College Park, Maryland, United States of America

Jie Chen

Affiliation Department of Health Services Administration, School of Public Health, University of Maryland, College Park, Maryland, United States of America

Stephen B. Thomas

Affiliation Department of Health Services Administration, School of Public Health, University of Maryland, College Park, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RKD JC SBT. Analyzed the data: JC. Contributed reagents/materials/analysis tools: RKD. Wrote the paper: RKD JC SBT.