| Date | Event | Description |
|---|---|---|
| 19 December 2019 | New search has been performed | The search was updated and 10 reports identified. We added a 'Summary of findings' table, in compliance with updated Cochrane methodology. |
| 19 December 2019 | New citation required but conclusions have not changed | Two eligible studies were included. Whilst the previous version of the review contained no studies, the new data are insufficient to change the conclusions. |
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