About the Authors

Beth A. Payne

bpayne@cw.bc.ca

Affiliation Department of Obstetrics and Gynaecology and the CFRI Reproductive and Healthy Pregnancy Cluster, University of British Columbia, Vancouver, Canada

Jennifer A. Hutcheon

Affiliations Department of Obstetrics and Gynaecology and the CFRI Reproductive and Healthy Pregnancy Cluster, University of British Columbia, Vancouver, Canada, School of Population and Public Health, University of British Columbia, Vancouver, Canada

J. Mark Ansermino

Affiliation Department of Anesthesiology, Pharmacology and Therapeutics, University of British Columbia, Vancouver, Canada

David R. Hall

Affiliation Department of Obstetrics and Gynaecology, Stellenbosch University and Tygerberg Hospital, Cape Town, South Africa

Zulfiqar A. Bhutta

Affiliation Centre of Excellence Division of Women and Child Health, Aga Khan University, Karachi, Pakistan

Shereen Z. Bhutta

Affiliation Jinnah Post-graduate Medical College, Karachi, Pakistan

Christine Biryabarema

Affiliation Department of Obstetrics and Gynecology, Makerere University, Kampala, Uganda

William A. Grobman

Affiliation Department of Obstetrics and Gynecology, Feinberg School of Medicine Northwestern University, Chicago, Illinois, United States of America

Henk Groen

Affiliation Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands

Farizah Haniff

† Deceased.

Affiliation Department of Obstetrics and Gynaecology, Colonial War Memorial Hospital, Suva, Fiji

Jing Li

Affiliation Department of Obstetrics and Gynaecology and the CFRI Reproductive and Healthy Pregnancy Cluster, University of British Columbia, Vancouver, Canada

Laura A. Magee

Affiliations Department of Obstetrics and Gynaecology and the CFRI Reproductive and Healthy Pregnancy Cluster, University of British Columbia, Vancouver, Canada, School of Population and Public Health, University of British Columbia, Vancouver, Canada, Department of Medicine, University of British Columbia, Vancouver, Canada

Mario Merialdi

Affiliation UNDP/UNFPA/WHO/World Bank Special Programme of Research, Development and Training in Human Reproduction (HRP), Department of Reproductive Health and Research (RHR), Geneva, Switzerland

Annettee Nakimuli

Affiliation Department of Obstetrics and Gynecology, Makerere University, Kampala, Uganda

Ziguang Qu

Affiliation Department of Obstetrics and Gynaecology and the CFRI Reproductive and Healthy Pregnancy Cluster, University of British Columbia, Vancouver, Canada

Rozina Sikandar

Affiliation Division of Women and Child Health, Aga Khan University, Karachi, Pakistan

Nelson Sass

Affiliation Department of Obstetrics and Gynaecology, Universidade Federal de São Paulo, Maternidade de Vila Nova Cachoeirinha, São Paulo, Brazil

Diane Sawchuck

Affiliation Department of Obstetrics and Gynaecology and the CFRI Reproductive and Healthy Pregnancy Cluster, University of British Columbia, Vancouver, Canada

D. Wilhelm Steyn

Affiliation Department of Obstetrics and Gynaecology, Stellenbosch University and Tygerberg Hospital, Cape Town, South Africa

Mariana Widmer

Affiliation UNDP/UNFPA/WHO/World Bank Special Programme of Research, Development and Training in Human Reproduction (HRP), Department of Reproductive Health and Research (RHR), Geneva, Switzerland

Jian Zhou

Affiliation Department of Obstetrics, Tongji University, Shanghai, P.R. China

Peter von Dadelszen

Affiliations Department of Obstetrics and Gynaecology and the CFRI Reproductive and Healthy Pregnancy Cluster, University of British Columbia, Vancouver, Canada, School of Population and Public Health, University of British Columbia, Vancouver, Canada

for the miniPIERS Study Working Group

Other members of the miniPIERS Study Working Group are listed in the Acknowlegments.

Competing Interests

PVD is a paid consultant of Alere International for work not related to the current manuscript; JMA is a founder of a startup company (LGTMedical) that is attempting to commercialize the development of a cell phone-based pulse oximeter; JMA holds <5% equity stake in the company. ZAB is a member of the Editorial Board of PLOS Medicine. No other authors have any conflicts to declare.

Author Contributions

Conceived and designed the experiments: BP JMA SB ZB CB DH JL LAM AN NS WS DS PvD. Performed the experiments: BP CB FH DH AN RS NS WS JZ ZQ PvD. Analyzed the data: BP JAH WG HG LAM PvD. Contributed reagents/materials/analysis tools: BP JAH JMA JL ZQ LAM PvD. Wrote the first draft of the manuscript: BP. Contributed to the writing of the manuscript: BP JAH JMA DRH ZAB SZB CB WAB HG FH JL LAM MM AN ZQ RS NS DS DWS MW JZ PvD. ICMJE criteria for authorship read and met: BP JAH JMA DRH ZAB SZB CB WAB HG FH JL LAM MM AN ZQ RS NS DS DWS MW JZ PvD. Agree with manuscript results and conclusions: BP JAH JMA DRH ZAB SZB CB WAB HG FH JL LAM MM AN ZQ RS NS DS DWS MW JZ PvD. Enrolled patients: SZB CB FH AN DRH DWS JZ.