About the Authors

Caitlin Gerdts

cgerdts@obgyn.ucsf.edu

Affiliations Advancing New Standards in Reproductive Health, University of California San Francisco, San Francisco, California, United States of America, Division of Epidemiology, Berkeley School of Public Health, University of California, Berkeley, Berkeley, California, United States of America

Divya Vohra

Affiliation Division of Epidemiology, Berkeley School of Public Health, University of California, Berkeley, Berkeley, California, United States of America

Jennifer Ahern

Affiliation Advancing New Standards in Reproductive Health, 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

Reviewed the entire content of the manuscript, provided edits, and comments: CG DV JA. Conceived and designed the experiments: CG. Performed the experiments: CG DV. Analyzed the data: CG DV JA. Contributed reagents/materials/analysis tools: CG DV JA. Wrote the paper: CG DV JA.