Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 243 |
| 2 | China | 141 |
| 3 | United Kingdom | 51 |
| 4 | Australia | 37 |
| 5 | Spain | 34 |
| 6 | Germany | 33 |
| 7 | Brazil | 32 |
| 8 | Canada | 27 |
| 9 | Czech Republic | 20 |
| 10 | India | 19 |
| 11 | Netherlands | 19 |
| 12 | Hong Kong | 16 |
| 13 | Finland | 16 |
| 14 | Italy | 14 |
| 15 | Iran | 14 |
| 16 | France | 14 |
| 17 | Portugal | 13 |
| 18 | Switzerland | 13 |
| 19 | Belgium | 12 |
| 20 | Poland | 11 |
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.