Table 5.
Top 20 countries with collaboration.
| countries with collaboration | |||||
|---|---|---|---|---|---|
| Total articles |
H-cited articles |
||||
| Node | Cluster | Betweenness | Node | Cluster | Betweenness |
| China | 1 | 116.0 | Germany | 2 | 30.5 |
| USA | 1 | 97.6 | USA | 1 | 18.6 |
| Germany | 3 | 74.1 | China | 1 | 9.5 |
| Denmark | 3 | 32.3 | Australia | 2 | 0.4 |
| Australia | 2 | 27.9 | Canada | 1 | 0 |
| Netherlands | 3 | 3.5 | Japan | 1 | 0 |
| France | 3 | 3.1 | Italy | 2 | 0 |
| United kingdom | 3 | 0.8 | Israel | 2 | 0 |
| Italy | 3 | 0.4 | Argentina | 2 | 0 |
| Canada | 1 | 0.2 | Sweden | 2 | 0 |
| Spain | 3 | 0.1 | United kingdom | 2 | 0 |
| India | 1 | 0 | |||
| Malaysia | 1 | 0 | |||
| Poland | 1 | 0 | |||
| Pakistan | 1 | 0 | |||
| New zealand | 1 | 0 | |||
| Sudan | 1 | 0 | |||
| Japan | 2 | 0 | |||
| Iran | 2 | 0 | |||
| Singapore | 2 | 0 | |||