Table 1 Searches by keyword groups.
Database | Collected documents | Records rejected per reason | Selected articles | |||||
|---|---|---|---|---|---|---|---|---|
Publication years | Topic area | Document type | Source type | Language | Off-topic | |||
Scopus | 1910 | 313 | 83 | 209 | 3 | 5 | 1117 | 180 |
WoS | 1758 | 188 | 165 | 101 | 0 | 4 | 1144 | 156 |
SD | 2092 | 651 | 332 | 176 | 0 | 0 | 911 | 22 |
Total | 5760 | 1,152 | 580 | 486 | 3 | 9 | 3172 | 358 |
