Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 1,213 |
| 2 | Japan | 407 |
| 3 | Italy | 220 |
| 4 | Morocco | 195 |
| 5 | United Kingdom | 106 |
| 6 | Vietnam | 99 |
| 7 | China | 83 |
| 8 | Saudi Arabia | 68 |
| 9 | India | 66 |
| 10 | Indonesia | 64 |
| 11 | Canada | 62 |
| 12 | South Korea | 61 |
| 13 | Australia | 50 |
| 14 | Iran | 49 |
| 15 | Portugal | 43 |
| 16 | Colombia | 42 |
| 17 | Turkey | 34 |
| 18 | Brazil | 30 |
| 19 | Afghanistan | 26 |
| 20 | France | 25 |
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.