| Date | Event | Description |
|---|---|---|
| 30 September 2019 | Amended | Clarification added to Declarations of interest. |
| 19 September 2019 | Review declared as stable | See Published notes. |
| 17 February 2017 | New citation required but conclusions have not changed | We included three new studies including 192 participants in this update. Conclusions have not changed. |
| 17 February 2017 | New search has been performed | This review has been updated to include the results of a new search in January 2017. Three new studies were identified. |
| 30 March 2016 | Amended | Contact details amended. |
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