Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 259 |
| 2 | China | 172 |
| 3 | Germany | 54 |
| 4 | France | 38 |
| 5 | India | 37 |
| 6 | Japan | 37 |
| 7 | Canada | 35 |
| 8 | Brazil | 30 |
| 9 | United Kingdom | 29 |
| 10 | Russia | 24 |
| 11 | Italy | 23 |
| 12 | Netherlands | 21 |
| 13 | Iran | 16 |
| 14 | Austria | 16 |
| 15 | Poland | 14 |
| 16 | South Korea | 14 |
| 17 | Czech Republic | 13 |
| 18 | Australia | 12 |
| 19 | Switzerland | 11 |
| 20 | Mexico | 11 |
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.