Table 1. The PEDro scale rating for all included studies.

Author	#1	#2	#3	#4	#5	#6	#7	#8	#9	#10	#11	Total
Burt et al. [22]	1	1	1	1	0	0	0	1	1	1	1	8
Stefanaki et al. [23]	1	1	1	0	0	0	0	0	1	0	1	5
Keeler et al. [24]	1	1	1	1	0	0	0	1	1	1	1	8
Bell et al. [25]	1	1	1	1	0	0	0	0	1	1	1	7
Cacchio et al. [26]	1	1	1	1	0	0	0	1	1	1	1	8
Weiss et al. [27]	1	1	1	0	0	0	0	1	1	1	1	7
Snow-Harter et al. [28]	1	1	1	1	0	0	0	1	1	1	1	8
Kim et al. [29]	1	1	1	1	1	0	0	1	1	1	1	9
Stock et al. [30]	1	1	1	1	0	0	1	1	1	1	1	9
Gentil et al. [31]	1	1	1	1	0	0	0	1	1	1	1	8
Mayhew et al. [32]	1	1	1	1	0	0	0	1	1	1	1	8
Santos et al. [33]	1	1	1	1	0	0	0	1	1	1	1	8
de Lima et al. [34]	1	1	1	0	0	0	0	0	1	1	1	7
Dinyer et al. [35]	1	1	1	1	0	0	0	1	1	1	1	8
Marx et al. [36]	1	1	1	1	0	0	0	1	1	0	1	7
Mosti et al. [37]	1	1	1	0	0	0	0	1	1	1	1	7
Botton et al. [38]	1	1	1	1	0	0	0	1	1	1	1	8
Moghadasi et al. [39]	1	1	1	1	0	0	0	1	1	1	1	8
de Castro Cesar et al. [40]	1	1	1	1	0	0	0	1	1	1	1	8
Davitt et al. [41]	1	1	1	1	0	0	0	0	1	1	1	7
Kell [42]	1	1	1	0	0	0	0	0	1	1	1	6
Hostler et al. [43]	1	1	1	1	0	0	1	0	0	1	1	7
Schlumberger et al. [44]	1	1	1	1	0	0	1	1	1	1	1	9
Silva et al. [45]	1	1	1	1	0	0	0	1	1	1	1	8
Garcia et al. [46]	1	1	1	1	0	0	0	1	1	1	1	8
Burnham et al. [47]	1	1	1	0	0	0	0	1	1	1	1	7
Stien et al. [48]	1	1	1	0	0	0	0	1	1	1	1	79
Cholewa et al. [49]	1	1	1	1	1	1	1	1	1	1	1	11
Monteiro et al. [50]	1	1	1	1	1	1	1	1	1	0	1	10
Hendrickson et al. [51]	1	1	1	1	0	0	0	1	1	1	1	8
Rana et al. [52]	1	1	1	1	0	0	0	1	1	1	1	8