Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 641 |
| 2 | United States | 597 |
| 3 | Switzerland | 387 |
| 4 | Germany | 376 |
| 5 | Japan | 313 |
| 6 | Brazil | 230 |
| 7 | Italy | 227 |
| 8 | India | 217 |
| 9 | Russia | 215 |
| 10 | United Kingdom | 212 |
| 11 | Spain | 160 |
| 12 | South Korea | 158 |
| 13 | Iran | 131 |
| 14 | France | 129 |
| 15 | Poland | 91 |
| 16 | Israel | 70 |
| 17 | Canada | 67 |
| 18 | Taiwan | 63 |
| 19 | Mexico | 61 |
| 20 | Chile | 59 |
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.