Supplementary Table S3.

Randomized controlled studies appraised with the RoB2 scale

	Random sequence generation	Allocation concealment	Blinding of participants and personnel	Blinding of outcome assessment	Incomplete outcome data	Selective reporting	Other bias
Leo et al., 2020	Low risk	Unclear risk	High risk	High risk	Low risk	Low risk	None
Okamatsu et al., 2019	Unclear risk	Unclear risk	High risk	High risk	Low risk	Low risk	None
Shin et al., 2020	Low risk	High risk	High risk	Low risk	Low risk	Low risk	None

RoB2 - Risk of Bias Tool for Randomized Trials