Funding for this research was provided by:
Received: 3 February 2022
Accepted: 18 October 2022
First Online: 7 February 2023
: The information presented in this article drew on a selective review of relevant literature in both peer-reviewed publications and "grey" literature and an in-depth desk review of project documentation, including the project proposal, routine project reporting, midline, and end-line reports, journal articles previously published on program data, and program monitoring and evaluation data. No human subject data were collected for this article. All evaluations conducted in association with the project described obtained consent for participation and received review and approval from the iccddr,b institutional review board.
: All authors have reviewed the final manuscript and consented to publication in BMC Human Resources for Health journal.
: The authors declare that they have no competing interests.