Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 829 |
| 2 | Japan | 237 |
| 3 | China | 178 |
| 4 | Germany | 121 |
| 5 | United Kingdom | 80 |
| 6 | India | 72 |
| 7 | Switzerland | 55 |
| 8 | Australia | 47 |
| 9 | Italy | 41 |
| 10 | Denmark | 38 |
| 11 | France | 37 |
| 12 | Brazil | 35 |
| 13 | Canada | 35 |
| 14 | Egypt | 34 |
| 15 | Sweden | 32 |
| 16 | South Korea | 25 |
| 17 | Netherlands | 22 |
| 18 | Portugal | 22 |
| 19 | Iran | 17 |
| 20 | Belgium | 16 |
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.