| Date | Event | Description |
|---|---|---|
| 11 November 2021 | New citation required but conclusions have not changed | A total of 19 studies are included in this version of the review, an addition of 16 new studies since the last version was published in 2010. |
| 11 November 2021 | New search has been performed | Review updated, and current until 01 September 2021 |
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