About the Authors

Toni N. Welsh

Affiliations Department of Obstetrics and Gynaecology, John Hunter Hospital, New Lambton Heights, New South Wales, Australia, School of Medicine and Public Health, University of Newcastle, Callaghan, New South Wales, Australia, Mothers and Babies Research Centre, New Lambton Heights, New South Wales, Australia

Jonathan J. Hirst

Affiliations School of Biomedical Science and Pharmacy, University of Newcastle, Callaghan, New South Wales, Australia, Mothers and Babies Research Centre, New Lambton Heights, New South Wales, Australia, Hunter Medical Research Institute, New Lambton Heights, New South Wales, Australia

Hannah Palliser

Affiliations School of Biomedical Science and Pharmacy, University of Newcastle, Callaghan, New South Wales, Australia, Mothers and Babies Research Centre, New Lambton Heights, New South Wales, Australia, Hunter Medical Research Institute, New Lambton Heights, New South Wales, Australia

Tamas Zakar

Tamas.Zakar@newcastle.edu.au

Affiliations Department of Obstetrics and Gynaecology, John Hunter Hospital, New Lambton Heights, New South Wales, Australia, School of Medicine and Public Health, University of Newcastle, Callaghan, New South Wales, Australia, Mothers and Babies Research Centre, New Lambton Heights, New South Wales, Australia, Hunter Medical Research Institute, New Lambton Heights, New South Wales, Australia

Competing Interests

The authors confirm that co-author Tamas Zakar is a PLOS ONE Editorial Board Member. This does not alter the authors' adherence to PLOS ONE Editorial policies and criteria.

Author Contributions

Conceived and designed the experiments: TZ JH. Performed the experiments: TW HP TZ. Analyzed the data: TZ TW. Contributed reagents/materials/analysis tools: TZ JH. Wrote the paper: TZ. Edited and proofread the manuscript drafts: JH HP.