About the Authors

Tianjiao Chu

Affiliations Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh, Pennsylvania, United States of America, Center for Fetal Medicine, Magee-Womens Research Institute, Pittsburgh, Pennsylvania, United States of America

Daniel Handley

Affiliations Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh, Pennsylvania, United States of America, Center for Fetal Medicine, Magee-Womens Research Institute, Pittsburgh, Pennsylvania, United States of America

Kimberly Bunce

Affiliations Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh, Pennsylvania, United States of America, Center for Fetal Medicine, Magee-Womens Research Institute, Pittsburgh, Pennsylvania, United States of America

Urvashi Surti

Affiliation Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh, Pennsylvania, United States of America

W. Allen Hogge

Affiliation Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh, Pennsylvania, United States of America

David G. Peters

david.peters@mail.hgen.pitt.edu

Affiliations Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh, Pennsylvania, United States of America, Center for Fetal Medicine, Magee-Womens Research Institute, Pittsburgh, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Performed the experiments: DH KB. Analyzed the data: TC. Contributed reagents/materials/analysis tools: WAH US. Wrote the paper: DGP.