About the Authors

Noreen Goldman

Affiliation Office of Population Research, Princeton University, Princeton, NJ, United States of America

Dana A Glei

dag77@georgetown.edu

Affiliation Center for Population and Health, Georgetown University, Washington, DC, United States of America

Maxine Weinstein

Affiliation Center for Population and Health, Georgetown University, Washington, DC, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DAG NG MW. Analyzed the data: DAG. Wrote the paper: DAG NG MW.