Table 1.

Critical appraisal of randomized studies.

Lead Author (Year)	Level of Evidence	Random Sequence Generation	Allocation Concealment	Selective Reporting	Other Sources of Bias	Blinding (Participants and Personnel)	Blinding (Outcome Assessment)	Incomplete Outcome Data
Niemeyer (2016) [10], Becher (2017) [11], Niemeyer (2020) [12]	1b	Low	Low	Unclear	Unclear	High	High	Low
Niemeyer (2019) [13], Hoburg (2020) [14]	1b	Low	Low	Unclear	Unclear	High	High	Low