About the Authors

Nguyen Toan Tran

Affiliation School of Public Health and Community Medicine, University of New South Wales, Sydney, Australia

Anayda Portela

portelaa@who.int

Affiliation Department of Maternal, Newborn, Child and Adolescent Health (MCA), World Health Organization, Geneva, Switzerland

Luc de Bernis

Affiliation United Nations Population Fund (UNFPA), Geneva Office, Geneva, Switzerland

Kristen Beek

Affiliation Faculty of Health, University of Technology, Sydney, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NTT AP, LdB. Performed the experiments: NTT KB. Analyzed the data: NTT KB AP LdB. Wrote the paper: NTT AP LdB KB.