| Exclusion criteria | No. of excluded articles |
|---|---|
| 1. Clinical management and research activity studies | 32 |
| 2. Non-healthcare staff studies | 25 |
| 3. Wellbeing studies | 12 |
| 4. Application of technology and modelling studies | 14 |
| 5. Resource allocation and prioritisation studies | 32 |
| 6. Non-ethics related studies | 30 |
| 7. Commentaries | 4 |
| Total | 149 |