Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 122 |
| 2 | United States | 91 |
| 3 | India | 68 |
| 4 | Poland | 50 |
| 5 | Spain | 48 |
| 6 | United Kingdom | 39 |
| 7 | Germany | 38 |
| 8 | France | 33 |
| 9 | Italy | 28 |
| 10 | Iran | 24 |
| 11 | Netherlands | 18 |
| 12 | Russia | 18 |
| 13 | Australia | 17 |
| 14 | Qatar | 15 |
| 15 | Brazil | 15 |
| 16 | Turkey | 13 |
| 17 | Malaysia | 12 |
| 18 | Canada | 12 |
| 19 | Singapore | 11 |
| 20 | Greece | 10 |
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.