| Date | Event | Description |
|---|---|---|
| 7 October 2014 | New search has been performed | Searches conducted. We did not identify any new trials for inclusion. We excluded 20 new trials (Anton 2011; Atiee 2012; Bacosi 2002; Cayley 2012; Cheng 2012; De Vincenzo 2012; Escuret 2012; Gatwood 2012; Hayden 2012; Hsu 2012; Ison 2013; Jiang 2013; Lopez‐Medrano 2012; Louie 2012; Michiels 2013; Sampaio 2011; Santesso 2013; Shah 2012; Singer 2011; Yuen 2012). |
| 7 October 2014 | New citation required but conclusions have not changed | Our conclusions remain unchanged. |
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