Authors’ contributions
GN
SIDA
EWW conceived and designed the study. EWW, GN and NMT implemented the study and conducted data analysis. GN, JKB, and NMT supervised the study. EWW, GN, JKB, and NMT interpreted study results: EWW wrote the first draft of the manuscript. EWW, GN, JKB and NMT reviewed and corrected the draft manuscript. All authors read and approved the final manuscript. This study is part of EWW’s doctoral research funded by (SIDA) through a Makerere-Sweden Research collaboration.