Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 99 |
| 2 | United States | 81 |
| 3 | Canada | 77 |
| 4 | Australia | 54 |
| 5 | Germany | 46 |
| 6 | United Kingdom | 40 |
| 7 | Netherlands | 30 |
| 8 | Belgium | 23 |
| 9 | France | 23 |
| 10 | Italy | 22 |
| 11 | Spain | 22 |
| 12 | Switzerland | 21 |
| 13 | Hong Kong | 18 |
| 14 | Poland | 14 |
| 15 | Taiwan | 11 |
| 16 | South Korea | 11 |
| 17 | Denmark | 10 |
| 18 | Greece | 8 |
| 19 | Sweden | 6 |
| 20 | Austria | 5 |
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.