Text and Data Mining valid from 2020-01-13
First Online: 13 January 2020
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: Ethical approval was obtained from the University of Rwanda College of Medicine and Health Sciences Institutional Review Board (Reference No. 329/CMHS IRB/2016).
: No informed consents were necessary as this was a retrospective study.
: Not applicable.