| Study | Reason for exclusion |
|---|---|
| Gesto 2021 | Ineligible study design – not randomized |
| Lozano 2022 | Ineligible study design – not randomized |
| Lwin 2022 | Ineligible study design – modelling the effect of public hesitancy on project success |
| Mains 2016 | Ineligible study design – not randomized |
| Nazni 2019 | Ineligible study design – not randomized |
| NCT03631719 | Ineligible study design – not randomized |
| Nguyen 2015 | Ineligible study design – not randomized or controlled |
| Ribeiro dos Santos 2022 | Ineligible study design – not randomized or controlled |
| Zeng 2022 | Ineligible study design – not randomized |
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