| Date | Event | Description |
|---|---|---|
| 13 May 2015 | New search has been performed | We added a trial and a table documenting in detail the inputs to the intervention and control groups. Also, we constructed 'Summary of findings' tables and carried out additional analyses investigating possible effects of confounding by intense health worker contacts. We rewrote the review and conclusions. |
| 13 May 2015 | New citation required but conclusions have not changed | One trial was added and summary of findings tables were constructed. |
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