Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 274 |
| 2 | Germany | 171 |
| 3 | China | 147 |
| 4 | United Kingdom | 107 |
| 5 | France | 76 |
| 6 | Spain | 55 |
| 7 | Japan | 55 |
| 8 | Italy | 46 |
| 9 | Russia | 43 |
| 10 | Switzerland | 33 |
| 11 | Austria | 33 |
| 12 | Poland | 31 |
| 13 | South Korea | 30 |
| 14 | Sweden | 27 |
| 15 | Canada | 25 |
| 16 | Belgium | 25 |
| 17 | Brazil | 23 |
| 18 | Australia | 18 |
| 19 | India | 18 |
| 20 | Finland | 15 |
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.