Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 91 |
| 2 | Canada | 78 |
| 3 | United States | 71 |
| 4 | Australia | 45 |
| 5 | Germany | 43 |
| 6 | United Kingdom | 36 |
| 7 | Belgium | 25 |
| 8 | Netherlands | 24 |
| 9 | Switzerland | 24 |
| 10 | Italy | 19 |
| 11 | France | 18 |
| 12 | Spain | 17 |
| 13 | Poland | 14 |
| 14 | Hong Kong | 14 |
| 15 | Taiwan | 13 |
| 16 | South Korea | 12 |
| 17 | Denmark | 11 |
| 18 | Greece | 6 |
| 19 | Portugal | 5 |
| 20 | Brazil | 5 |
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.