Records from backward and forward snowballing
| Records from BS | Included studies from DB search | Records from FS |
|---|---|---|
| 12 | 1. Malsane et al. (2015) | 130 |
| 3 | 2. Preidel and Borrmann (2015) | 114 |
| 20 | 3. Kim et al. (2019) | 99 |
| 24 | 4. Kincelova et al. (2020) | 75 |
| 16 | 5. Zheng et al. (2022) | 74 |
| 29 | 6. Ismail et al. (2023) | 17 |
| 16 | 7. Wang et al. (2023) | 8 |
| 26 | 8. Zhang and El-Gohary (2023) | 35 |
| 27 | 9. Fitkau and Hartmann (2024) | 14 |
| 27 | 10. Chen and Jiang (2024) | 1 |
| 9 | 11. Besiroglu and Serteser (2025) | 0 |
| 20 | 12. Bigdeli et al. (2025) | 0 |
| 230 | Total | 567 |
| Records from BS | Included studies from DB search | Records from FS |
|---|---|---|
| 12 | 1. | 130 |
| 3 | 2. | 114 |
| 20 | 3. | 99 |
| 24 | 4. | 75 |
| 16 | 5. | 74 |
| 29 | 6. | 17 |
| 16 | 7. | 8 |
| 26 | 8. | 35 |
| 27 | 9. | 14 |
| 27 | 10. | 1 |
| 9 | 11. | 0 |
| 20 | 12. | 0 |
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