Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 934 |
| 2 | United States | 249 |
| 3 | Iran | 112 |
| 4 | Germany | 109 |
| 5 | Italy | 79 |
| 6 | France | 78 |
| 7 | India | 77 |
| 8 | South Korea | 61 |
| 9 | Spain | 57 |
| 10 | Poland | 49 |
| 11 | Australia | 41 |
| 12 | Austria | 38 |
| 13 | Brazil | 35 |
| 14 | Chile | 34 |
| 15 | Czech Republic | 34 |
| 16 | United Kingdom | 32 |
| 17 | Vietnam | 29 |
| 18 | Pakistan | 27 |
| 19 | Canada | 27 |
| 20 | Saudi Arabia | 26 |
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.