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Top ten countries/regions with the most publications and the number of citations
| Rank | Country | Documents | Total citations | Average Article citations |
|---|---|---|---|---|
| 1 | USA | 173 | 5925 | 34.2 |
| 2 | China | 112 | 1195 | 10.7 |
| 3 | Italy | 55 | 1366 | 24.8 |
| 4 | United Kingdom | 51 | 2460 | 48.2 |
| 5 | Japan | 50 | 1112 | 22.2 |
| 6 | Sweden | 35 | 1720 | 49.1 |
| 7 | Netherlands | 32 | 1573 | 49.2 |
| 8 | Korea | 27 | 706 | 26.1 |
| 9 | India | 24 | 244 | 10.2 |
| 10 | Brazil | 23 | 321 | 14 |
