| Date | Event | Description |
|---|---|---|
| 14 November 2016 | New citation required but conclusions have not changed | New authorship, accumulation of changes, re‐assessment and rewriting according to new quality standards, addition of a 'Summary of findings' table |
| 6 October 2016 | New search has been performed | Three new trials enrolling 562 participants overall were included in the meta‐analysis and systematic review (Comella 2011; Poewe 2016; Truong 2010) |