| Date | Event | Description |
|---|---|---|
| 23 October 2020 | New search has been performed | This is a 'living' systematic review'; searches are run and screened monthly. The last search date was 22 June 2020. Results of all new studies identified have been incorporated. The conclusions of this Cochrane Review are therefore considered up to date. |
| 23 October 2020 | New citation required and conclusions have changed | The results for chest computed tomography (CT) have changed. |
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