Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 6,938 |
| 2 | India | 1,195 |
| 3 | Turkey | 845 |
| 4 | Iran | 787 |
| 5 | South Korea | 719 |
| 6 | United States | 523 |
| 7 | Japan | 495 |
| 8 | Russia | 348 |
| 9 | Germany | 343 |
| 10 | Italy | 340 |
| 11 | United Kingdom | 326 |
| 12 | Malaysia | 322 |
| 13 | France | 308 |
| 14 | Canada | 297 |
| 15 | Taiwan | 275 |
| 16 | Brazil | 262 |
| 17 | Mexico | 253 |
| 18 | Spain | 234 |
| 19 | Australia | 208 |
| 20 | Thailand | 181 |
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.