Funding for this research was provided by:
United States Agency for International Development (AIDOAA-L-14-00004)
Received: 17 December 2018
Accepted: 18 May 2019
First Online: 28 May 2019
Ethics approval and consent to participate
: No primary data were collected for this study; therefore, no further institutional review board approval (IRB) was sought. The 2015 NMIS received prior approval from ICF International’s IRB and the Nigeria Health Research Ethics Committee of the Federal Ministry of Health.
: Not applicable.
: The authors declare that they have no competing interests.