Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 71 |
| 2 | United States | 47 |
| 3 | Germany | 26 |
| 4 | United Kingdom | 24 |
| 5 | Spain | 23 |
| 6 | Hong Kong | 19 |
| 7 | Italy | 19 |
| 8 | Netherlands | 15 |
| 9 | South Korea | 13 |
| 10 | Australia | 11 |
| 11 | Iran | 11 |
| 12 | Taiwan | 11 |
| 13 | Poland | 10 |
| 14 | Japan | 10 |
| 15 | Switzerland | 9 |
| 16 | Sweden | 8 |
| 17 | Turkey | 7 |
| 18 | Norway | 7 |
| 19 | Jordan | 7 |
| 20 | France | 6 |
Our authors submit research articles from all over the world. Authors collaborate frequently with peers at different institutions and in different countries/regions. This graph indicates the number of primary corresponding authors at the country/region level in the last five years.