Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 225 |
| 2 | United States | 40 |
| 3 | Germany | 13 |
| 4 | Australia | 6 |
| 5 | Canada | 6 |
| 6 | Saudi Arabia | 5 |
| 7 | Colombia | 2 |
| 8 | Hong Kong | 2 |
| 9 | Iran | 2 |
| 10 | United Kingdom | 2 |
| 11 | Japan | 1 |
| 12 | Macao | 1 |
| 13 | Netherlands | 1 |
| 14 | Norway | 1 |
| 15 | Pakistan | 1 |
| 16 | Portugal | 1 |
| 17 | Singapore | 1 |
| 18 | Austria | 1 |
| 19 | Christmas Island | 1 |
| 20 | Egypt | 1 |
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.