Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 150 |
| 2 | Germany | 72 |
| 3 | United States | 67 |
| 4 | Brazil | 61 |
| 5 | Iran | 45 |
| 6 | France | 45 |
| 7 | United Kingdom | 37 |
| 8 | Italy | 35 |
| 9 | Japan | 33 |
| 10 | India | 32 |
| 11 | Portugal | 31 |
| 12 | Poland | 26 |
| 13 | Canada | 24 |
| 14 | South Korea | 24 |
| 15 | Spain | 24 |
| 16 | Turkey | 19 |
| 17 | Australia | 16 |
| 18 | Austria | 10 |
| 19 | Switzerland | 9 |
| 20 | Netherlands | 9 |
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.