| Date | Event | Description |
|---|---|---|
| 29 July 2008 | Amended | Converted to new review format. |
| 29 August 2007 | Amended | The following text was added to the selection criterion 'Types of interventions' in August 2007: "We will include studies of: peer support versus education only, or information only, or usual care, or no intervention, or versus other types of peer support. We will exclude studies in which peer support is part of a multi‐component/complex intervention, where the effects of the peer support element cannot be isolated." |
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