Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 3,060 |
| 2 | United States | 1,308 |
| 3 | United Kingdom | 715 |
| 4 | Italy | 442 |
| 5 | Germany | 397 |
| 6 | Spain | 304 |
| 7 | South Korea | 294 |
| 8 | Australia | 274 |
| 9 | Canada | 248 |
| 10 | Singapore | 230 |
| 11 | Hong Kong | 205 |
| 12 | Netherlands | 186 |
| 13 | Sweden | 184 |
| 14 | Switzerland | 163 |
| 15 | Japan | 160 |
| 16 | Denmark | 156 |
| 17 | Iran | 137 |
| 18 | France | 131 |
| 19 | India | 113 |
| 20 | Belgium | 98 |
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.