Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 297 |
| 2 | China | 127 |
| 3 | Australia | 124 |
| 4 | United Kingdom | 123 |
| 5 | Canada | 57 |
| 6 | Netherlands | 53 |
| 7 | Iran | 50 |
| 8 | Germany | 49 |
| 9 | Sweden | 34 |
| 10 | Brazil | 32 |
| 11 | Turkey | 27 |
| 12 | Taiwan | 25 |
| 13 | South Korea | 23 |
| 14 | India | 21 |
| 15 | Spain | 20 |
| 16 | Japan | 19 |
| 17 | France | 18 |
| 18 | Austria | 17 |
| 19 | South Africa | 16 |
| 20 | Switzerland | 14 |
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.