Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 1,479 |
| 2 | United States | 230 |
| 3 | France | 176 |
| 4 | United Kingdom | 151 |
| 5 | Australia | 108 |
| 6 | Germany | 98 |
| 7 | Japan | 95 |
| 8 | South Korea | 87 |
| 9 | India | 79 |
| 10 | Canada | 68 |
| 11 | Iran | 66 |
| 12 | Brazil | 48 |
| 13 | Sweden | 43 |
| 14 | Italy | 36 |
| 15 | Poland | 31 |
| 16 | Spain | 29 |
| 17 | Belgium | 28 |
| 18 | Russia | 24 |
| 19 | Slovenia | 19 |
| 20 | Portugal | 19 |
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.