Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 68 |
| 2 | United States | 60 |
| 3 | Italy | 24 |
| 4 | India | 14 |
| 5 | Germany | 12 |
| 6 | United Kingdom | 12 |
| 7 | Brazil | 4 |
| 8 | Poland | 4 |
| 9 | Switzerland | 4 |
| 10 | Austria | 3 |
| 11 | Greece | 3 |
| 12 | Hong Kong | 3 |
| 13 | Iran | 3 |
| 14 | Norway | 3 |
| 15 | Sweden | 3 |
| 16 | Singapore | 3 |
| 17 | Chile | 2 |
| 18 | South Korea | 2 |
| 19 | Taiwan | 2 |
| 20 | France | 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.