Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 823 |
| 2 | Spain | 236 |
| 3 | France | 225 |
| 4 | India | 165 |
| 5 | United States | 125 |
| 6 | Germany | 124 |
| 7 | Turkey | 116 |
| 8 | Iran | 116 |
| 9 | Italy | 116 |
| 10 | Poland | 106 |
| 11 | United Kingdom | 105 |
| 12 | Brazil | 77 |
| 13 | South Korea | 77 |
| 14 | Japan | 71 |
| 15 | Russia | 63 |
| 16 | Canada | 51 |
| 17 | Netherlands | 46 |
| 18 | Czech Republic | 44 |
| 19 | Australia | 43 |
| 20 | Belgium | 41 |
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.