| Date | Event | Description |
|---|---|---|
| 22 October 2014 | New citation required and conclusions have changed | Issue 8, 2015: Eight new RCTs (Ahn 2011; El Batarny 2008; Elwan 2013; Farahvash 2011; Hernández‐Da Mota 2010; Manabe 2015; Sohn 2012; Zaman 2013) were identified that met the inclusion criteria |
| 22 September 2014 | New search has been performed | Issue 8, 2015: Electronic searches were updated |
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