Date | Event | Description |
---|---|---|
21 January 2015 | New citation required and conclusions have changed | Comparisons have been restructured and conclusions have changed |
21 January 2015 | New search has been performed | 9 new studies have been included (Aleyamma 2013; Baum 2012; Gibreel 2015; Guven 2014; Karim Zadeh 2008; Polanski 2014; Safdarian 2011; Shohayeb 2012; Yeung 2014), along with full published versions of 2 studies (Inal 2012; Nastri 2013). We updated the search in January 2015 and categorised 1 study as awaiting classification (Hur 2012a) |