Funding for this research was provided by:
United States Agency for International Development (Health Research Challenge for Impact (HRCI) Cooperative Agreement (#GHS-A-00-09-00004-00))
Received: 13 May 2018
Accepted: 29 October 2019
First Online: 6 December 2019
Ethics approval and consent to participate
: We obtained ethical clearance to conduct the study from ethical review committee and/or internal review boards of Bangladesh Institute of Child Health and Johns Hopkins Bloomberg School of Public Health. They reviewed and approved the research plan, consent forms and data collection forms.
: Not applicable
: The authors declare that they have no competing interests.