Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 2,700 |
| 2 | Iran | 494 |
| 3 | India | 301 |
| 4 | South Korea | 300 |
| 5 | Italy | 281 |
| 6 | United States | 265 |
| 7 | United Kingdom | 241 |
| 8 | Spain | 237 |
| 9 | Canada | 174 |
| 10 | Malaysia | 122 |
| 11 | Australia | 116 |
| 12 | Brazil | 114 |
| 13 | Turkey | 110 |
| 14 | Egypt | 105 |
| 15 | Germany | 98 |
| 16 | France | 75 |
| 17 | Saudi Arabia | 69 |
| 18 | Poland | 69 |
| 19 | Singapore | 63 |
| 20 | Japan | 62 |
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.