About the Authors

Xiao Xu

Roles Conceptualization, Funding acquisition, Methodology, Supervision, Writing – original draft, Writing – review & editing

xiao.xu@yale.edu

Affiliations Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, United States of America, Yale Cancer Outcomes, Public Policy and Effectiveness Research (COPPER) Center, Yale School of Medicine, New Haven, Connecticut, United States of America

Ling Chen

Roles Conceptualization, Data curation, Formal analysis, Methodology, Writing – review & editing

Affiliation Department of Obstetrics and Gynecology, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, United States of America

Marcella Nunez-Smith

Roles Funding acquisition, Writing – review & editing

Affiliation Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, United States of America

Mitchell Clark

Roles Writing – review & editing

Affiliation Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, United States of America

Jason D. Wright

Roles Conceptualization, Data curation, Funding acquisition, Methodology, Supervision, Writing – review & editing

Affiliation Department of Obstetrics and Gynecology, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, United States of America

Competing Interests

Dr. Wright has received royalties from UpToDate and received research funding from Merck. The other authors have no conflict of interest to declare. This does not alter our adherence to PLOS ONE policies on sharing data and materials. There are no patents, products in development or marketed products associated with this research to declare.