Abstract, title and references

An interesting topic, references are relevant with title but are not recently. The abstract is good written.

Introduction/background

Background section should also more indicate the race and gender of the research.

Methods

Inclusion criteria are described with no justification. Measurement is define. The method of study are valid and reliable.

Results

Tables, column and row label, statistically result are relevant and clear.

Discussion and Conclusions

This section answered the aim of the study and very exactly.