Figure 1.

Flow diagram of participant progress through the study. ¹means nine participants provided samples before the intervention, three participants lose after the intervention, six participants from the Low group provided samples both before and after the intervention finally. ²means seven participants provided samples before the intervention, one participant lose after the intervention, six from the Medium group provided samples both before and after the intervention finally. ³means five participants provided samples before the intervention, all participants lose after the intervention, there are no complete samples finally in the High group.