| Study | Reason for exclusion |
|---|---|
| Angell 2003 | Compared information material prepared with consumer involvement to usual care, which could not serve as a fair 'no consumer involvement' comparison. The effects of consumer involvement could not be separated from the effects of the educational material itself. |
| Roberts 2002 | Compared information material prepared with consumer involvement to usual care, which could not serve as a fair 'no consumer involvement' comparison. The effects of consumer involvement could not be separated from the effects of the educational material itself. |
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