Date | Event | Description |
---|---|---|
20 March 2017 | New citation required but conclusions have not changed | New data available but overall conclusions of the review remain unchanged. |
25 October 2016 | New search has been performed | Results of 2015 search incorporated into review. Ten new trials added to included studies table (including one previously listed as ongoing); 23 added to excluded studies table (including one previously listed as ongoing). Conclusions are unchanged. |