Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 9,981 |
| 2 | South Korea | 1,517 |
| 3 | India | 1,126 |
| 4 | United States | 495 |
| 5 | Iran | 440 |
| 6 | Poland | 418 |
| 7 | Japan | 357 |
| 8 | Taiwan | 350 |
| 9 | Russia | 312 |
| 10 | Italy | 303 |
| 11 | France | 297 |
| 12 | Germany | 290 |
| 13 | Spain | 255 |
| 14 | Brazil | 217 |
| 15 | Romania | 207 |
| 16 | United Kingdom | 171 |
| 17 | Mexico | 149 |
| 18 | Czech Republic | 143 |
| 19 | Australia | 136 |
| 20 | Thailand | 129 |
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.