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The inclusion and exclusion criteria.
| Criteria | Inclusion | Exclusion |
|---|---|---|
| Publication timeline | 2000–May 2021 | 1999 and before |
| Document type | Article (with empirical data) and review | Conference proceedings, chapters in book, book series, books, etc. |
| Language | English | Non-English |
| Nature of the study |
|
|
