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. 2020 Nov 3;2020(11):CD003229. doi: 10.1002/14651858.CD003229.pub4
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.