Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 499 |
| 2 | Australia | 102 |
| 3 | United States | 60 |
| 4 | Germany | 51 |
| 5 | Russia | 45 |
| 6 | United Kingdom | 41 |
| 7 | France | 34 |
| 8 | Brazil | 29 |
| 9 | Italy | 27 |
| 10 | India | 26 |
| 11 | Norway | 20 |
| 12 | Canada | 19 |
| 13 | South Korea | 18 |
| 14 | Japan | 18 |
| 15 | Switzerland | 15 |
| 16 | Denmark | 14 |
| 17 | Czech Republic | 14 |
| 18 | Turkey | 13 |
| 19 | Iran | 12 |
| 20 | Spain | 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.