Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 630 |
| 2 | China | 418 |
| 3 | Germany | 150 |
| 4 | France | 134 |
| 5 | United Kingdom | 92 |
| 6 | Canada | 81 |
| 7 | Japan | 71 |
| 8 | South Korea | 69 |
| 9 | Saudi Arabia | 61 |
| 10 | Russia | 60 |
| 11 | India | 56 |
| 12 | Australia | 51 |
| 13 | Spain | 41 |
| 14 | Sweden | 38 |
| 15 | Italy | 30 |
| 16 | Switzerland | 23 |
| 17 | Hong Kong | 18 |
| 18 | Israel | 15 |
| 19 | Netherlands | 15 |
| 20 | Belgium | 14 |
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.