| Date | Event | Description |
|---|---|---|
| 7 August 2014 | New search has been performed | Search updated. Eight new reports identified. We included one new study (Sharps 2013); excluded one new study (Bhandari 2012); added one additional report for a previously included study (Kiely 2010); added five ongoing studies (Feder 2013; Krishnan 2012; Sharma 2013; Taft 2012; Temmerman 2010). Methods updated and 'Summary of findings' table added. |
| 7 August 2014 | New citation required but conclusions have not changed | Review updated. |
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