| Date | Event | Description |
|---|---|---|
| 7 January 2020 | New citation required and conclusions have changed | The review now includes 10 randomised controlled trials with updated GRADE ratings; the conclusions have changed as a result of new included studies. The current evidence remains at risk of bias; however, there is more certainty of little to no effect of the intervention. |
| 7 January 2020 | New search has been performed | New search was performed and methods updated according to Furlan 2015. |
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