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Result discrimination by database.
| Database | PLOS ONE | SCOPUS | PUB MED | SCIENCE DIRECT | CLARIVATE |
|---|---|---|---|---|---|
| Equation (1) | 7 | 4 | 5 | 0 | 2 |
| Equation (2) | 7 | 6 | 4 | 3 | 1 |
| Equation (3) | 3 | 1 | 2 | 2 | 1 |
| Equation (4) | 0 | 0 | 2 | 0 | 0 |
| Equation (5) | 0 | 1 | 2 | 0 | 1 |
| Equation (6) | 0 | 0 | 1 | 0 | 0 |
| Equation (12) | 2 | 0 | 1 | 0 | 0 |
| Equation (13) | 1 | 0 | 1 | 0 | 0 |
| Equation (14) | 1 | 0 | 1 | 0 | 0 |
| Equation (15) | 1 | 0 | 1 | 0 | 0 |
| Total | 22 | 12 | 20 | 5 | 5 |
