Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 1,697 |
| 2 | Iran | 511 |
| 3 | United States | 230 |
| 4 | Brazil | 200 |
| 5 | Spain | 178 |
| 6 | India | 163 |
| 7 | United Kingdom | 124 |
| 8 | Australia | 101 |
| 9 | Canada | 72 |
| 10 | Egypt | 70 |
| 11 | Portugal | 70 |
| 12 | Denmark | 64 |
| 13 | Italy | 64 |
| 14 | Germany | 54 |
| 15 | Netherlands | 52 |
| 16 | South Korea | 51 |
| 17 | Serbia | 44 |
| 18 | Mexico | 39 |
| 19 | Turkey | 31 |
| 20 | France | 30 |
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.