About the Authors

William A. MacDonald

Affiliations Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America, Rangos Research Center, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Mellissa R. W. Mann

mannmr@mwri.magee.edu

Affiliations Department of Obstetrics, Gynaecology and Reproductive Sciences, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America, Magee-Womens Research Institute, Pittsburgh, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.