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| Study ID | Reason for exclusion |
| Butler 1993 | Setting |
| Carpman 1983 | Study design |
| Dickinson 1995 | Setting |
| Mayer 1991 | Study design‐ inappropriate data |
| Passini 1998 | No intervention; comparison with healthy controls |
| Watanabe 1997 | Not health‐related outcomes; conversation confounding |
| Weisman 1981 | Setting |
| Wright 1993 | Participants not patients |
