Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 694 |
| 2 | India | 160 |
| 3 | United States | 105 |
| 4 | Japan | 94 |
| 5 | South Korea | 93 |
| 6 | France | 92 |
| 7 | Germany | 70 |
| 8 | United Kingdom | 64 |
| 9 | Italy | 58 |
| 10 | Australia | 50 |
| 11 | Spain | 49 |
| 12 | Portugal | 44 |
| 13 | Russia | 43 |
| 14 | Poland | 41 |
| 15 | Iran | 32 |
| 16 | Singapore | 26 |
| 17 | Canada | 23 |
| 18 | Hong Kong | 19 |
| 19 | Switzerland | 18 |
| 20 | South Africa | 17 |
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.