| Date | Event | Description |
|---|---|---|
| 26 February 2013 | New citation required but conclusions have not changed | No new references were included in this review, therefore the conclusions of the review remain the same. |
| 26 February 2013 | New search has been performed | A search of the Cystic Fibrosis Trials Register did not identify any new references potentially eligible for inclusion in this review. |
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