Funding for this research was provided by:
Japan International Cooperation Agency
Received: 5 November 2018
Accepted: 30 May 2019
First Online: 17 June 2019
Ethics approval and consent to participate
: Ethical approval was obtained from the Afghanistan Ministry of Public Health (MoPH) Institutional Review Board (IRB) (study number 44041, received 19th March 2017). Informed written consent to participate was obtained from all participants included in this study.
: Not applicable.
: The authors declare that they have no competing interests.