Table 1.

Cochrane tool for assessing risk of bias in randomized trials (RoB 2 tool).

Unique ID	Randomization process	Deviations From Intended Interventions	Missing Outcome Data	Measurement of the Outcome	Selection of the Reported Result	Overall
Vincent et al. 2014
Vincent et al. 2014 II study
Tsatsako et al. 2016
Costantino et al. 2014
Ferrel et al. 1996
Teut et al. 2016
Holmes et al. 1996

: low risk; : some concern; : high risk.