Funding for this research was provided by:
World Bank Group (ACE02-WACCBIP: AWANDARE)
Received: 23 October 2017
Accepted: 10 January 2019
First Online: 21 January 2019
Ethics approval and consent to participate
: The local scientific and technical committee of the West African Center for Cell Biology of Infectious Pathogens (WACCBIP) ruled that no formal ethics approval was required for this particular study.
: Not applicable.
: The authors declare that they have no competing interests.
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