Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 362 |
| 2 | Japan | 281 |
| 3 | United States | 100 |
| 4 | India | 37 |
| 5 | Italy | 33 |
| 6 | United Kingdom | 32 |
| 7 | Canada | 29 |
| 8 | Germany | 26 |
| 9 | South Korea | 22 |
| 10 | Hong Kong | 22 |
| 11 | Poland | 20 |
| 12 | France | 17 |
| 13 | Spain | 17 |
| 14 | Iran | 16 |
| 15 | Brazil | 14 |
| 16 | Taiwan | 14 |
| 17 | Singapore | 13 |
| 18 | Netherlands | 12 |
| 19 | Switzerland | 9 |
| 20 | Sweden | 9 |
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.