Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 8,347 |
| 2 | United States | 1,131 |
| 3 | Australia | 735 |
| 4 | India | 729 |
| 5 | Iran | 679 |
| 6 | Spain | 555 |
| 7 | South Korea | 489 |
| 8 | Italy | 480 |
| 9 | Brazil | 475 |
| 10 | Turkey | 452 |
| 11 | United Kingdom | 441 |
| 12 | France | 410 |
| 13 | Canada | 383 |
| 14 | Portugal | 297 |
| 15 | Malaysia | 265 |
| 16 | Germany | 207 |
| 17 | Hong Kong | 198 |
| 18 | Poland | 175 |
| 19 | Japan | 169 |
| 20 | Egypt | 162 |
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.