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Reason for withdrawal: Serious breach of Cochrane’s conflict of interest policy. A ruling by Cochrane’s Funding Arbiters that a Cochrane Review has seriously breached Cochrane’s conflict of interest policy.
The editorial group responsible for this previously published document have withdrawn it from publication.
| Date | Event | Description |
|---|---|---|
| 25 March 2020 | Amended | withdrawn |
Withdrawn from publication for reasons stated in the review
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