About the Authors

Deborah Cohan

cohand@obgyn.ucsf.edu

Affiliation Department of Obstetrics, Gynecology, & Reproductive Sciences, University of California San Francisco, San Francisco, California, United States of America

Elvira Gomez

Affiliation Department of Obstetrics, Gynecology, & Reproductive Sciences, University of California San Francisco, San Francisco, California, United States of America

Mara Greenberg

Affiliation Department of Obstetrics and Gynecology, Stanford University, Palo Alto, California, United States of America

Sierra Washington

Affiliation Department of Obstetrics, Gynecology, & Reproductive Sciences, University of California San Francisco, San Francisco, California, United States of America

Edwin D. Charlebois

Affiliation Department of Medicine, 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

Conceived and designed the experiments: DC MG. Performed the experiments: DC EG. Analyzed the data: DC EG SW EDC. Contributed reagents/materials/analysis tools: DC MG SW EDC. Wrote the paper: DC EG MG SW EDC.