Date | Event | Description |
---|---|---|
27 May 2020 | New citation required but conclusions have not changed | Searches rerun; three new studies included, two new studies excluded and two new ongoing studies identified. A new author joined the review team. Review text updated according to current Cochrane reporting guidelines. |
27 May 2020 | New search has been performed | Searches rerun; three new studies included, two new studies excluded and two new ongoing studies identified. |