Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 39 |
| 2 | Japan | 39 |
| 3 | Italy | 31 |
| 4 | Germany | 24 |
| 5 | Switzerland | 17 |
| 6 | Sweden | 15 |
| 7 | South Korea | 14 |
| 8 | Canada | 10 |
| 9 | Egypt | 10 |
| 10 | Portugal | 10 |
| 11 | China | 10 |
| 12 | India | 9 |
| 13 | Thailand | 8 |
| 14 | United Kingdom | 8 |
| 15 | Finland | 5 |
| 16 | Denmark | 5 |
| 17 | Brazil | 5 |
| 18 | Iran | 5 |
| 19 | Netherlands | 5 |
| 20 | Jordan | 5 |
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.