About the Authors

Naeemah Abrahams, Shanaaz Mathews
Gender and Health Research Unit, Medical Research Council, Tygerberg, Cape Town, South Africa

Lorna J. Martin
Division of Forensic Medicine, Department of Clinical Laboratory Services, Faculty of Health Sciences, University of Cape, Mowbray, South Africa

Carl Lombard
Biostatics Unit, Medical Research Council, Tygerberg, Cape Town, South Africa

Rachel Jewkes
Gender and Health Research Unit, Medical Research Council, Pretoria, South Africa

Corresponding Author

nabraham@mrc.ac.za

Competing Interests

RJ is a member of the Editorial Board of PLOS Medicine. The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NA SM RJ LJM. Analyzed the data: NA SM RJ CL. Wrote the first draft of the manuscript: NA. Contributed to the writing of the manuscript: NA SM RJ LJM CL. ICMJE criteria for authorship read and met: NA SM RJ LJM CL. Agree with manuscript results and conclusions: NA SM RJ LJM CL.