Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 996 |
| 2 | Japan | 280 |
| 3 | Italy | 175 |
| 4 | United Kingdom | 89 |
| 5 | Morocco | 87 |
| 6 | Vietnam | 62 |
| 7 | Canada | 58 |
| 8 | Saudi Arabia | 56 |
| 9 | India | 53 |
| 10 | China | 52 |
| 11 | South Korea | 48 |
| 12 | Australia | 35 |
| 13 | Turkey | 34 |
| 14 | Iran | 30 |
| 15 | Portugal | 27 |
| 16 | Colombia | 26 |
| 17 | Afghanistan | 22 |
| 18 | Brazil | 22 |
| 19 | Ireland | 18 |
| 20 | Greece | 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.