Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (GZ:MO 1071/12-1 AOBJ: 620617)
Text and Data Mining valid from 2019-12-01
Received: 23 May 2019
Accepted: 3 December 2019
First Online: 10 December 2019
Ethics approval and consent to participate
: The original study was approved by the institutional ethics committee of CERMEL, Lambaréné, Gabon (Reference number: CEI-CERMEL 009/2014). For this analysis, no additional intervention was made. The study was conducted in line with the Good Clinical Practice (GCP) principles of the International Conference on Harmonization (ICH) [CitationRef removed] and the Declaration of Helsinki [CitationRef removed].
: Not applicable.
: The authors declare that they have no competing interests.