Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 650 |
| 2 | United States | 136 |
| 3 | Japan | 97 |
| 4 | United Kingdom | 62 |
| 5 | South Korea | 58 |
| 6 | Italy | 46 |
| 7 | Spain | 37 |
| 8 | Germany | 35 |
| 9 | Brazil | 31 |
| 10 | France | 27 |
| 11 | India | 27 |
| 12 | Turkey | 24 |
| 13 | Hong Kong | 22 |
| 14 | Singapore | 22 |
| 15 | Australia | 22 |
| 16 | Canada | 19 |
| 17 | Iran | 17 |
| 18 | Belgium | 13 |
| 19 | Russia | 10 |
| 20 | Netherlands | 10 |
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.