Table 4 A draft chart of data extraction

Title of the manuscript

 Article No

Language

 Year of the publication

First author

 Place (Country)

Corresponding

 Type of article

Journal name

Article characteristics

 Aims of the study

 Study approach study design

Methodology

 Sampling method study environment

 Data collection study population

 Data analysis sample size

Results

 Main results

 Conclusion

 Recommendations

 Limitations