Received: 24 March 2021
Accepted: 3 June 2021
First Online: 10 July 2021
: The study was approved by the Mulago Hospital Research and Ethics Committee (#MHREC 1679) which provided waiver of consent since we used de-identified secondary data. Further approval from the Uganda National Council of Science and Technology was obtained. All experiments and handling of data were conducted in accordance to the Declaration of Helsinki.
: Not applicable.
: The authors declare no conflict of interests.