Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 197 |
| 2 | India | 89 |
| 3 | United States | 50 |
| 4 | Spain | 33 |
| 5 | United Kingdom | 32 |
| 6 | Czech Republic | 31 |
| 7 | France | 25 |
| 8 | South Korea | 21 |
| 9 | Brazil | 19 |
| 10 | Italy | 19 |
| 11 | Germany | 18 |
| 12 | Poland | 16 |
| 13 | Australia | 15 |
| 14 | Hungary | 12 |
| 15 | Vietnam | 12 |
| 16 | Turkey | 11 |
| 17 | Malaysia | 10 |
| 18 | Portugal | 9 |
| 19 | Iran | 8 |
| 20 | Greece | 8 |
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.