About the Authors

Heather L. Cameron

fosterw@mcmaster.ca

Affiliation Department of Obstetrics and Gynecology, McMaster University, Hamilton, Ontario, Canada

Warren G. Foster

Affiliation Department of Obstetrics and Gynecology, McMaster University, Hamilton, Ontario, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HLC WGF. Performed the experiments: HLC WGF. Analyzed the data: HLC WGF. Contributed reagents/materials/analysis tools: WGF. Wrote the paper: HLC WGF.