Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 2,662 |
| 2 | United States | 1,087 |
| 3 | United Kingdom | 601 |
| 4 | Italy | 386 |
| 5 | Germany | 329 |
| 6 | Spain | 261 |
| 7 | South Korea | 261 |
| 8 | Australia | 229 |
| 9 | Canada | 216 |
| 10 | Singapore | 188 |
| 11 | Sweden | 160 |
| 12 | Netherlands | 157 |
| 13 | Hong Kong | 142 |
| 14 | Switzerland | 136 |
| 15 | Japan | 124 |
| 16 | Denmark | 118 |
| 17 | Iran | 108 |
| 18 | France | 106 |
| 19 | India | 102 |
| 20 | Taiwan | 87 |
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.