Table 1. Main information of the investigation.
| Description | Results |
| Main information about data | |
| Timespan | 1990-2024 |
| Sources (journals, books, etc.) | 503 |
| Documents | 1222 |
| Annual growth rate % | 9.37 |
| Document average age | 10.5 |
| Average citations per doc | 48.41 |
| References | 49951 |
| Document contents | |
| Keywords plus (ID) | 3448 |
| Author's keywords (DE) | 3041 |
| Authors | |
| Authors | 5439 |
| Authors of single-authored docs | 116 |
| Author collaboration | |
| Single-authored docs | 125 |
| Co-authors per doc | 5 |
| International co-authorships % | 26.68 |
| Document types | |
| Article | 1087 |
| Article; book chapter | 1 |
| Article; early access | 6 |
| Article; proceedings paper | 128 |