| Date | Event | Description |
|---|---|---|
| 19 February 2020 | Amended | Clarification statement added from Alan Smyth, Co‐ordinating Editor on 19 February 2020: This review was found by the Cochrane Funding Arbiters, post‐publication, to be noncompliant with the Cochrane conflict of interest policy, which includes the relevant parts of the Cochrane Commercial Sponsorship Policy. It will be updated by February 2021. The update will have a majority of authors and lead author free of conflicts. |
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