Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 442 |
| 2 | United States | 133 |
| 3 | Brazil | 133 |
| 4 | Spain | 127 |
| 5 | Italy | 91 |
| 6 | Germany | 78 |
| 7 | France | 78 |
| 8 | India | 71 |
| 9 | Japan | 36 |
| 10 | Portugal | 36 |
| 11 | United Kingdom | 35 |
| 12 | Australia | 35 |
| 13 | Canada | 33 |
| 14 | Czech Republic | 31 |
| 15 | Netherlands | 21 |
| 16 | Mexico | 19 |
| 17 | Poland | 18 |
| 18 | Austria | 17 |
| 19 | Denmark | 17 |
| 20 | Belgium | 16 |
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.