Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 745 |
| 2 | China | 583 |
| 3 | Germany | 180 |
| 4 | France | 160 |
| 5 | United Kingdom | 118 |
| 6 | Saudi Arabia | 93 |
| 7 | Canada | 92 |
| 8 | Japan | 91 |
| 9 | South Korea | 84 |
| 10 | Russia | 71 |
| 11 | Australia | 66 |
| 12 | India | 58 |
| 13 | Sweden | 53 |
| 14 | Spain | 51 |
| 15 | Italy | 36 |
| 16 | Switzerland | 23 |
| 17 | Netherlands | 22 |
| 18 | Belgium | 18 |
| 19 | Hong Kong | 17 |
| 20 | Singapore | 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.