Table 1.

Methodological quality assessment according to Jadad scores.

Author	Jadad Scores for RCTs
Hojer et al. [9]	2
Matheson et al. [10]	2
Bartlett et al. [11]	1
Ishida et al. [12]	2
Sato et al. [13]	2
Sadahiro et al. [14]	2
Hjalmarsson et al. [15]	3
Anjum et al. [16]	3
Abis et al. [17]	3
Koskenvuo et al. [18]	3
Mulder et al. [19]	2
Papp et al. [20]	3
Futier et al. [21]	4