Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 619 |
| 2 | South Korea | 92 |
| 3 | China | 85 |
| 4 | Japan | 63 |
| 5 | Canada | 43 |
| 6 | Germany | 37 |
| 7 | France | 33 |
| 8 | Netherlands | 24 |
| 9 | Italy | 24 |
| 10 | United Kingdom | 14 |
| 11 | Spain | 13 |
| 12 | Taiwan | 12 |
| 13 | Switzerland | 10 |
| 14 | Israel | 9 |
| 15 | Singapore | 9 |
| 16 | Belgium | 8 |
| 17 | Australia | 8 |
| 18 | Portugal | 8 |
| 19 | Greece | 7 |
| 20 | Hong Kong | 6 |
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.