About the Authors

Ruth Li

Affiliation Laboratory of Perinatal Research, Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, The Ohio State University, Columbus, Ohio, United States of America

William E. Ackerman IV

Affiliation Laboratory of Perinatal Research, Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, The Ohio State University, Columbus, Ohio, United States of America

Cosmin Mihai

Affiliation Pacific Northwest National Laboratory, Richland, Washington, United States of America

Leonithas I. Volakis

Affiliation Department of Biomedical Engineering, The Ohio State University, Columbus, Ohio, United States of America

Samir Ghadiali

Affiliations Department of Biomedical Engineering, The Ohio State University, Columbus, Ohio, United States of America, Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Internal Medicine, The Ohio State University, Columbus, Ohio, United States of America

Douglas A. Kniss

kniss.1@osu.edu

Affiliations Laboratory of Perinatal Research, Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, The Ohio State University, Columbus, Ohio, United States of America, Department of Biomedical Engineering, The Ohio State University, Columbus, Ohio, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DAK WEA RL SG. Performed the experiments: RL CM LIV WEA. Analyzed the data: RL WEA CM LIV DAK. Contributed reagents/materials/analysis tools: DAK WEA SG. Wrote the paper: RL WEA CM LIV SG DAK.