Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 350 |
| 2 | United States | 137 |
| 3 | France | 73 |
| 4 | Russia | 54 |
| 5 | India | 51 |
| 6 | United Kingdom | 49 |
| 7 | Japan | 48 |
| 8 | Iran | 40 |
| 9 | South Korea | 34 |
| 10 | Germany | 29 |
| 11 | Poland | 29 |
| 12 | Canada | 27 |
| 13 | Italy | 21 |
| 14 | Brazil | 20 |
| 15 | Spain | 20 |
| 16 | Taiwan | 17 |
| 17 | Hong Kong | 15 |
| 18 | Australia | 11 |
| 19 | Belgium | 11 |
| 20 | Singapore | 9 |
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.