Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 243 |
| 2 | China | 204 |
| 3 | Germany | 81 |
| 4 | South Korea | 59 |
| 5 | Denmark | 36 |
| 6 | Japan | 30 |
| 7 | United Kingdom | 28 |
| 8 | Sweden | 25 |
| 9 | Netherlands | 21 |
| 10 | Switzerland | 19 |
| 11 | Canada | 11 |
| 12 | Austria | 10 |
| 13 | Australia | 9 |
| 14 | Taiwan | 7 |
| 15 | Belgium | 7 |
| 16 | France | 7 |
| 17 | Italy | 6 |
| 18 | Spain | 6 |
| 19 | Singapore | 5 |
| 20 | India | 4 |
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.