Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 5,261 |
| 2 | Iran | 824 |
| 3 | India | 593 |
| 4 | South Korea | 536 |
| 5 | United States | 524 |
| 6 | Italy | 445 |
| 7 | Spain | 423 |
| 8 | United Kingdom | 419 |
| 9 | Turkey | 316 |
| 10 | Poland | 288 |
| 11 | Canada | 248 |
| 12 | Germany | 246 |
| 13 | Brazil | 219 |
| 14 | Australia | 200 |
| 15 | Malaysia | 185 |
| 16 | Denmark | 179 |
| 17 | Japan | 173 |
| 18 | Taiwan | 167 |
| 19 | Portugal | 153 |
| 20 | Sweden | 143 |
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.