Atake, Esso-Hanam https://orcid.org/0000-0003-4633-4615
Article History
Received: 12 April 2018
Accepted: 24 September 2018
First Online: 13 October 2018
Ethics approval and consent to participate
: The National Statistical Services of Burkina Faso, Niger and Togo, provided ethical clearance for household surveys. All participants in surveys provided informed, signed consent. The study was approved by the Institutional Review Board of the Directorate of Scientific and Technical Research (DRST) of the University of Lomé (Togo).
: The author declares that he/she has no competing interests.
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