Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 226 |
| 2 | China | 173 |
| 3 | United Kingdom | 59 |
| 4 | South Korea | 51 |
| 5 | Germany | 48 |
| 6 | France | 45 |
| 7 | Australia | 44 |
| 8 | Canada | 40 |
| 9 | Hong Kong | 36 |
| 10 | Italy | 36 |
| 11 | Spain | 27 |
| 12 | Taiwan | 23 |
| 13 | Japan | 22 |
| 14 | Belgium | 19 |
| 15 | Netherlands | 18 |
| 16 | India | 16 |
| 17 | Switzerland | 15 |
| 18 | Singapore | 12 |
| 19 | Brazil | 10 |
| 20 | Sweden | 10 |
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.