Text and Data Mining valid from 2019-12-02
First Online: 2 December 2019
Compliance with Ethical Standards
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Ethics approval was obtained from LSHTM (ref: 10724) and the University of Witwatersrand’s Human Research Ethics Committee (HREC).
: Informed consent was obtained from all individual participants included in the study. All women provided written informed consent prior to the survey interview.