Table 2 Database search results
Database criteria | IEEE Xplore | Web of science | Total count |
|---|---|---|---|
Number of papers found as a result of the search | 209 | 294 | 503 |
Irrelevant papers | 42 | 41 | 83 |
Duplicate papers | 7 | 173 | 180 |
Papers not included due to inadequate quality | 4 | 2 | 6 |
Not an English-language publication | 2 | 1 | 3 |
Final number of relevant papers | 154 | 77 | 231 |