Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 545 |
| 2 | United States | 482 |
| 3 | South Korea | 230 |
| 4 | Japan | 176 |
| 5 | India | 163 |
| 6 | France | 157 |
| 7 | Germany | 136 |
| 8 | Canada | 78 |
| 9 | Italy | 76 |
| 10 | United Kingdom | 74 |
| 11 | Switzerland | 70 |
| 12 | Netherlands | 57 |
| 13 | Russia | 51 |
| 14 | Sweden | 47 |
| 15 | Spain | 44 |
| 16 | Iran | 33 |
| 17 | Belgium | 24 |
| 18 | Finland | 24 |
| 19 | Taiwan | 23 |
| 20 | Brazil | 22 |
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.