Table 4.
Study locations.
| Geographical area | Web of Science | Taiwan Periodical Literature | WANFANG DATA | SCOPUS | Number of articles |
|---|---|---|---|---|---|
| Taiwan (Asia) | 3 | 10 | 0 | 1 | 14 |
| China (Asia) | 7 | 0 | 2 | 0 | 9 |
| Hong Kong (Asia) | 4 | 0 | 0 | 0 | 4 |
| Singapore (Asia) | 0 | 0 | 0 | 2 | 2 |
| Malaysia (Asia) | 0 | 0 | 0 | 1 | 1 |
| Japan (Asia) | 1 | 0 | 0 | 0 | 1 |
| Korea (Asia) | 1 | 0 | 0 | 1 | 2 |
| Australia (Oceania) | 1 | 0 | 0 | 0 | 1 |
| United Kingdom (Europe) | 1 | 0 | 0 | 0 | 1 |
| United States (North America) | 1 | 0 | 0 | 0 | 1 |
| Other | 1 | 0 | 0 | 0 | 1 |
| Total | 20 | 10 | 2 | 5 | 37 |
*Continent in parentheses.