Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 294 |
| 2 | United States | 38 |
| 3 | Canada | 26 |
| 4 | South Korea | 22 |
| 5 | Brazil | 14 |
| 6 | Chile | 9 |
| 7 | France | 8 |
| 8 | Norway | 6 |
| 9 | Germany | 6 |
| 10 | Australia | 5 |
| 11 | United Kingdom | 5 |
| 12 | Iran | 4 |
| 13 | Japan | 4 |
| 14 | Russia | 4 |
| 15 | Mexico | 3 |
| 16 | Spain | 3 |
| 17 | India | 3 |
| 18 | Greece | 2 |
| 19 | Italy | 2 |
| 20 | Denmark | 2 |
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.