Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 506 |
| 2 | Japan | 147 |
| 3 | Portugal | 47 |
| 4 | Qatar | 40 |
| 5 | France | 38 |
| 6 | India | 35 |
| 7 | Canada | 32 |
| 8 | China | 28 |
| 9 | Italy | 23 |
| 10 | Brazil | 22 |
| 11 | Saudi Arabia | 20 |
| 12 | Greece | 16 |
| 13 | United Kingdom | 15 |
| 14 | Australia | 14 |
| 15 | Thailand | 14 |
| 16 | Tunisia | 13 |
| 17 | Colombia | 13 |
| 18 | Malaysia | 12 |
| 19 | Iran | 11 |
| 20 | Lebanon | 11 |
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.