Table 2. Risk of Bias of the included studies.

Randomized studies
Last name of first author, year			Random sequence generation	Allocation concealment	Blinding of participants	Blinding of data outcome/collector	Loss of follow-up
Jetly, 2015			Low risk	Low risk	Low risk	High risk	Low risk
Observational Studies
Last name of first author, year	Confounding	Selection of participants into study	Classification of interventions	Deviations-intended interventions	Missing data	Measurement of outcome	Selection of reported results
Cameron, 2014	High	Low	High	Low	High	High	Low
Chan, 2017	High	Low	High	High	High	High	Low
Drost, 2017	High	Low	High	High	High	High	Low
Elms, 2019	Low	Low	Low	Low	High	High	Low
Greer, 2014	Low	High	High	Low	Low	High	Low
Johnson, 2016	Low	Low	Low	Low	Low	High	Low
Roitman, 2014	Low	High	Low	Low	Low	High	Low
Ruglass, 2017	Low	Low	Low	Low	Low	High	Low
Smith, 2017	High	Low	High	High	High	High	Low
Wilkinson, 2015	Low	High	Low	Low	High	High	Low