Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 281 |
| 2 | United States | 239 |
| 3 | Italy | 170 |
| 4 | Australia | 141 |
| 5 | Japan | 121 |
| 6 | United Kingdom | 112 |
| 7 | South Korea | 83 |
| 8 | Spain | 70 |
| 9 | India | 67 |
| 10 | Brazil | 60 |
| 11 | Taiwan | 49 |
| 12 | Canada | 45 |
| 13 | United Arab Emirates | 45 |
| 14 | Germany | 44 |
| 15 | Iran | 40 |
| 16 | Denmark | 39 |
| 17 | Netherlands | 32 |
| 18 | Greece | 32 |
| 19 | Belgium | 28 |
| 20 | Sweden | 28 |
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.