Funding for this research was provided by:
Department for International Development, UK Government (201446)
Received: 18 September 2017
Accepted: 26 February 2018
First Online: 6 March 2018
Change Date: 29 September 2020
Change Type: Correction
Change Details: An amendment to this paper has been published and can be accessed via the original article.
Ethics approval and consent to participate
: This study was approved by the University of Cape Town’s Health Sciences Faculty Human Research Ethics committee (HREC REF: 412/2011), South Africa, and by the WHO Research Ethics Review Committee, Switzerland. Consent forms were translated in local languages and completed by all participants who agreed to participate, and/or by their caregivers, where appropriate. Each district also received Ethical approval from their relevant local Research Ethics Committees: Institutional Review Board of the College of Health Sciences of Addis Ababa University, Ethiopia; Sangath Institutional Review Board, India; Indian Council of Medical Research, India; Nepal Health Research Council; Biomedical Research Ethics Committee, University of Kwa-Zulu Natal, South Africa; Research Ethics Committee of the School of Medicine, College of Health Sciences, Makarere University, Uganda; National Council of Science and Technology, Uganda.Written consent to participate was obtained by all participants and/or their caregivers, where appropriate. All consent forms were translated in local languages.
: Not applicable.
: The authors declare that they have no competing interests.
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