Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 1,287 |
| 2 | United States | 895 |
| 3 | South Korea | 303 |
| 4 | Germany | 97 |
| 5 | Japan | 92 |
| 6 | United Kingdom | 83 |
| 7 | Canada | 74 |
| 8 | Hong Kong | 60 |
| 9 | Singapore | 58 |
| 10 | Australia | 58 |
| 11 | Taiwan | 56 |
| 12 | France | 50 |
| 13 | Netherlands | 42 |
| 14 | Switzerland | 36 |
| 15 | Spain | 33 |
| 16 | Portugal | 28 |
| 17 | India | 27 |
| 18 | Belgium | 22 |
| 19 | Sweden | 18 |
| 20 | Ireland | 18 |
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.