Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 173 |
| 2 | Brazil | 90 |
| 3 | Germany | 89 |
| 4 | United States | 79 |
| 5 | France | 59 |
| 6 | Iran | 56 |
| 7 | India | 45 |
| 8 | Italy | 44 |
| 9 | United Kingdom | 41 |
| 10 | Japan | 39 |
| 11 | Portugal | 34 |
| 12 | Poland | 30 |
| 13 | South Korea | 28 |
| 14 | Spain | 28 |
| 15 | Turkey | 27 |
| 16 | Canada | 27 |
| 17 | Austria | 16 |
| 18 | Australia | 15 |
| 19 | Saudi Arabia | 13 |
| 20 | Netherlands | 13 |
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.