Funding for this research was provided by:
Wellcome Trust (206471/Z/17/Z)
Received: 18 July 2019
Accepted: 9 January 2020
First Online: 28 January 2020
Ethics approval and consent to participate
: The DHS receive government permission and follow ethical practices including informed consent and assurance of confidentiality. The authors requested and received approval to download and use the data from the DHS websites as detailed under the data sharing page. Master facility lists were publicly available23. The Research Ethics Committee of the London School of Hygiene and Tropical Medicine approved our secondary-data analysis.
: Not applicable.
: The authors declare that they have no competing interests.