Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 957 |
| 2 | United States | 232 |
| 3 | Germany | 111 |
| 4 | Iran | 108 |
| 5 | India | 90 |
| 6 | Italy | 82 |
| 7 | France | 72 |
| 8 | South Korea | 63 |
| 9 | Poland | 55 |
| 10 | Spain | 54 |
| 11 | Austria | 45 |
| 12 | Chile | 36 |
| 13 | Brazil | 36 |
| 14 | United Kingdom | 35 |
| 15 | Australia | 34 |
| 16 | Czech Republic | 33 |
| 17 | Vietnam | 30 |
| 18 | Pakistan | 27 |
| 19 | Saudi Arabia | 26 |
| 20 | Turkey | 23 |
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.