Table 1.

PEDro scores of the studies identified.

Reference	Study Type	PEDro
		S	2	3	4	5	6	7	8	9	10	11	TOTAL
Genc et al., 2015 [18]	Randomized controlled	+	+	+	+	-	-	-	+	+	+	+	7
Alp et al., 2014 [30]	Non-randomized controlled	+	-	-	+	+	-	-	+	+	+	+	6
de Abreu et al., 2012 [31]	Observational cross-sectional	+	-	-	+	-	-	-	+	+	+	+	5
Garrido et al., 2017 [32]	Observation longitudinal	+	-	-	+	-	-	-	+	+	+	+	5
Geis et al., 2012 [33]	Non-randomized controlled	+	-	-	+	-	-	-	+	+	+	+	5
Pernambuco et al., 2018 [34]	Clinical randomized controlled	+	+	+	+	-	-	+	+	+	+	+	8
Riva et al., 2010 [35]	Non-randomized controlled	+	-	-	+	-	-	-	+	+	+	+	5
de Oliveira et al., 2018 [36]	Non-randomized controlled	+	-	-	+	-	-	-	+	+	+	+	5
Schertzinger et al., 2018 [37]	Longitudinal	+	-	-	-	-	-	-	-	+	+	+	3
Stehlik et al., 2018 [38]	Case-control	+	-	-	+	-	-	-	+	+	+	+	5
Tanwar et al., 2018 [39]	Non-randomized controlled	+	-	-	-	-	-	-	+	-	+	+	3
Torgrimson-Ojerio et al., 2014 [40]	Pilot	+	-	-	-	-	+	-	+	+	+	+	5

S: selection criteria; 2: random allocation; 3: concealed allocation; 4: similarity at baseline; 5: subject blinding; 6: therapist blinding; 7: assessor blinding; 8: >85% measures for initial participants; 9: intention to treat; 10: between-group statistical comparisons; 11: point and variability measures. None of the selected articles had a conflict of interest.