Subgroup meta-analysis
| Population | Species, strain, sex, age, phenotype, stress condition and behavioural testing. |
| Intervention | Type, mechanism of action, dose, via, number of injections per day. |
| Outcome | SR 1,2: Type of marker, antibodies used, the protocol for detection, protocols for BrdU injection (survival or proliferation), protocols of measuring (stereological or non-stereological). SR 2,3: type, metrics and method of acquisition (manual or automatic) of the behavioural outcome. |
SR, systematic review.