Table 3. Evaluation of the methodological quality of the studies included.

	Steinberg et al.10	Stella et al.11	McCurryet al.12	Nascimento et al.13	Yu et al.14	Venturelli et al.15	Ohman et al.16	Statistical analysis according to assessment item n/N(%)
Sample randomization	No	No	Yes	No	No	Yes	Yes	3/7(42.8)
Random sequence generation	No	No	Yes	No	No	No	Yes	2/7 (28.5)
Blinding of evaluators	No	No	Yes	Yes	No	Yes	No	3/7(42.8)
Similar groups in the initial assessment	No	Yes	Yes	Yes	No	Yes	Yes	5/7(71.4)
Inclusion criteria for participants	Yes	Yes	Yes	Yes	Yes	Yes	Yes	7/7(100)
Description of the experimental protocol	Yes	Yes	Yes	Yes	Yes	Yes	Yes	7/7(100)
Statistical comparison among groups	Yes	Yes	Yes	Yes	No	Yes	Yes	6/7(85.7)
Description of sample losses	Yes	Yes	Yes	Yes	Yes	Yes	Yes	7/7(100)
Results description	Yes	Yes	Yes	Yes	Yes	Yes	Yes	7/7(100)