Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 5,100 |
| 2 | United States | 1,093 |
| 3 | India | 654 |
| 4 | Canada | 487 |
| 5 | United Kingdom | 397 |
| 6 | Brazil | 370 |
| 7 | Australia | 334 |
| 8 | South Korea | 305 |
| 9 | Spain | 280 |
| 10 | Germany | 266 |
| 11 | Iran | 253 |
| 12 | Turkey | 238 |
| 13 | Italy | 184 |
| 14 | Mexico | 160 |
| 15 | Japan | 144 |
| 16 | France | 124 |
| 17 | Poland | 121 |
| 18 | Russia | 119 |
| 19 | Sweden | 101 |
| 20 | Saudi Arabia | 94 |
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.