About the Authors

Jane E. Hirst, Jonathan M. Morris
Kolling Institute of Medical Research, University of Sydney, Sydney, Australia

Jane E. Hirst, Jonathan M. Morris
Department of Obstetrics & Gynaecology, Royal North Shore Hospital, St Leonards, Australia

Thach S. Tran, My An T. Do
Hung Vuong Hospital, Ho Chi Minh City, Viet Nam

Thach S. Tran
Australian Research Centre for Health of Women and Babies, University of Adelaide, Adelaide, Australia

Heather E. Jeffery
International Women and Children's Health, Sydney School of Public Health, University of Sydney, Sydney, Australia

Heather E. Jeffery
Department of Neonatology, Royal Prince Alfred Hospital, Sydney, Australia

Corresponding Author

jane.hirst@sydney.edu.au

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JEH TST JMM HEJ. Performed the experiments: JEH TST MAD. Analyzed the data: JEH TST MAD. Wrote the first draft of the manuscript: JEH. Contributed to the writing of the manuscript: TST HEJ JMM. ICMJE criteria for authorship read and met: JEH TST MAD JMM HEJ. Agree with manuscript results and conclusions: JEH TST MAD JMM HEJ.