About the Authors

James Tsai

jxt9@cdc.gov

Affiliation Division of Blood Disorders, National Center on Birth Defects and Developmental Disabilities Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Karon Abe

Affiliation Division of Reproductive Health, National Center for Chronic Disease Prevention and Health Promotion Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Sheree L. Boulet

Affiliation Division of Reproductive Health, National Center for Chronic Disease Prevention and Health Promotion Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Michele G. Beckman

Affiliation Division of Blood Disorders, National Center on Birth Defects and Developmental Disabilities Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

W. Craig Hooper

Affiliation Division of Blood Disorders, National Center on Birth Defects and Developmental Disabilities Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Althea M. Grant

Affiliation Division of Blood Disorders, National Center on Birth Defects and Developmental Disabilities Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JT KA. Performed the experiments: JT KA SLB MGB WCH AMG. Analyzed the data: JT. Contributed reagents/materials/analysis tools: JT KA SLB MGB WCH AMG. Wrote the paper: JT. Critical revision of the paper for important intellectual content: JT KA SLB MGB WCH AMG. Administrative, technical, material support, and study supervision: KA AMG.