| Date | Event | Description |
|---|---|---|
| 21 March 2016 | New search has been performed | Searches updated. We did not identify any new trials for inclusion. We excluded three new trials (Pelkonen 2011; Roine 2014; van Paridon 2015). |
| 21 March 2016 | New citation required and conclusions have changed | We reworked the GRADE profile and updated it as per current Cochrane standards. The conclusion with regards to quality of evidence has changed. |
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