Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 525 |
| 2 | India | 116 |
| 3 | United States | 110 |
| 4 | France | 88 |
| 5 | South Korea | 73 |
| 6 | Italy | 68 |
| 7 | Germany | 68 |
| 8 | United Kingdom | 61 |
| 9 | Spain | 51 |
| 10 | Japan | 50 |
| 11 | Poland | 49 |
| 12 | Australia | 48 |
| 13 | Portugal | 42 |
| 14 | Russia | 40 |
| 15 | Canada | 27 |
| 16 | Singapore | 26 |
| 17 | Iran | 25 |
| 18 | Hong Kong | 19 |
| 19 | Switzerland | 19 |
| 20 | Czech Republic | 15 |
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.