FIGURE 1 Flow of subjects in the study protocol with the time
line
Statistical Analysis: Data was processed with Microsoft Excel,
independent t test where Statistical significance was taken as p value
less than 0.05. Data was analysed with <R package for data
analysis:R Core Team (2017).https://www.R-project.org,
https://ggplot2.tidyverse.org
Ethics Review committee of the Faculty of Medicine, University of
Colombo approved the study protocol (EC/17/151)) and the trial was
registered with the Sri Lanka Clinical Trials Registry (SLCTR/ 2018/008)
.https://slctr.lk/trials/slctr-2018-010/publications/74.