Funding for this research was provided by:
Belgian Directorate-general for Development Cooperation and Ministerio de Salud Pública de Cuba
Text and Data Mining valid from 2019-01-30
Received: 13 August 2018
Accepted: 23 January 2019
First Online: 30 January 2019
Ethics approval and consent to participate
: The study was approved by the Ethic Committee of the National Institute of Hygiene and Epidemiology in Cuba on March 3, 2011 and by the Institutional Review Board of the Institute of Tropical Medicine in Antwerp-Belgium, approval reference 783/12. All participants provided written consent.
: Not applicable.
: The authors declare that they have no competing interests.
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