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Risk of Bias domains assessed.
| Risk of bias due to | |
|---|---|
| 1a | The randomisation process |
| 1b | The timing of identification or recruitment (cluster randomised trial only) |
| 2a | Deviations from the intended interventions (effect of assignment to intervention) |
| 2b | Deviations from the intended interventions (effect of adhering to the intervention) |
| 3 | Missing outcome data |
| 4 | Measurement of the outcome |
| 5 | Selection of the reported result |
