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Search term
| Databases | CRT terms | Spatial terms | Search string |
|---|---|---|---|
| Pubmed | Randomi*ed Trial | Spatial* | (Randomi*ed trial) AND (group OR community OR cluster OR place) AND (spatial* OR indirect effect* OR spillover* OR contamination* OR externalit*) |
| Medline/Ovid | Group | Indirect effect* | |
| WebOfScience | Community | Spillover* | |
| Cluster | Contamination* | ||
| Place | Externalit* |
A star (*) represents a wildcard character
