Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 214 |
| 2 | Germany | 147 |
| 3 | United Kingdom | 91 |
| 4 | China | 84 |
| 5 | France | 63 |
| 6 | Japan | 61 |
| 7 | Netherlands | 42 |
| 8 | Belgium | 39 |
| 9 | Australia | 34 |
| 10 | Canada | 27 |
| 11 | Austria | 25 |
| 12 | Sweden | 22 |
| 13 | Poland | 21 |
| 14 | Spain | 20 |
| 15 | Czech Republic | 19 |
| 16 | Russia | 19 |
| 17 | Switzerland | 17 |
| 18 | South Korea | 16 |
| 19 | Italy | 11 |
| 20 | Iran | 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.