| Date | Event | Description |
|---|---|---|
| 13 April 2015 | Amended | Contact details updated. |
| 2 April 2014 | New search has been performed | A search of the Cystic Fibrosis & Genetic Disorders Group's Cystic Fibrosis Trials Register did not identify any new trials potentially eligible for inclusion in this review. |
| 2 April 2014 | New citation required but conclusions have not changed | No new trials have been included in the review hence our conclusions remain unchanged. |
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