| Date | Event | Description |
|---|---|---|
| 7 August 2019 | Amended | Declaration of interest updated for Dr. Nicholas D Embleton. |
| 26 February 2019 | New citation required but conclusions have not changed | Conclusions remain consistent with the previously published version of the review (Ng 2017) |
| 29 January 2019 | New search has been performed | Search has been updated ‐ no new trials are included |
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