Bias	Author's judgment	Support for judgment
Risk of bias arising from the randomization process	Some concerns	Randomized allocation but no information on allocation concealment. There was no significant differences at baseline.
Risk of bias due to deviations from the intended interventions (effect of assignment to intervention)	Some concerns	No information on blinding, no information on deviations that arose.
Risk of bias due to deviations from the intended interventions (effect of adhering to intervention)	Some concerns	No information on blinding of Participants and people delivering the intervention. Likely to be aware.
Missing outcome data	Low risk	Almost all the participants were analyzed.
Risk of bias in measurement of the outcome	Some concerns	No information on the data collection method as well as no information on blindness of outcome assessors.
Risk of bias in selection of the reported result	Some concerns	Analysis intentions are not available.