Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 1,722 |
| 2 | Italy | 115 |
| 3 | Japan | 98 |
| 4 | Netherlands | 97 |
| 5 | China | 96 |
| 6 | Germany | 96 |
| 7 | Canada | 84 |
| 8 | United Kingdom | 83 |
| 9 | France | 64 |
| 10 | Sweden | 38 |
| 11 | Australia | 34 |
| 12 | Greece | 30 |
| 13 | South Korea | 24 |
| 14 | Spain | 18 |
| 15 | Austria | 18 |
| 16 | Brazil | 16 |
| 17 | Singapore | 15 |
| 18 | Taiwan | 14 |
| 19 | Portugal | 12 |
| 20 | Finland | 12 |
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.