Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 133 |
| 2 | China | 27 |
| 3 | Russia | 25 |
| 4 | Germany | 17 |
| 5 | Japan | 12 |
| 6 | Italy | 9 |
| 7 | India | 9 |
| 8 | United Kingdom | 7 |
| 9 | France | 6 |
| 10 | Canada | 5 |
| 11 | Australia | 3 |
| 12 | Switzerland | 2 |
| 13 | Portugal | 2 |
| 14 | Poland | 1 |
| 15 | Romania | 1 |
| 16 | Serbia | 1 |
| 17 | Ireland | 1 |
| 18 | Austria | 1 |
| 19 | Bulgaria | 1 |
| 20 | Brazil | 1 |
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.