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Jadad score quality assessment of the included studies
| Author | Year | Randomization | Blindness | Dropouts | Jaded scores |
|---|---|---|---|---|---|
| Sanchez | 2008 | 2 | 1 | 0 | 3 |
| Cerza | 2012 | 2 | 1 | 1 | 4 |
| Raeissadat | 2015 | 2 | 1 | 1 | 4 |
| Sanchez | 2012 | 2 | 2 | 1 | 5 |
| Spakova | 2012 | 2 | 1 | 1 | 4 |
| Vaquerizo | 2013 | 2 | 2 | 1 | 5 |
