Study
Confounding
Selection
Classification of interventions
deviations from intended interventions
Missing Data
Measurement of outcomes Reported Result
Overall
Farrokhpour,2021 Serious Serious Moderate Moderate Low Moderate Moderate Serious
Taleng,2021 Serious Serious Moderate Moderate Low Moderate Moderate Serious
Stallmach, 2020 Serious Serious Moderate Moderate Low Moderate Moderate Serious