Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 76 |
| 2 | United States | 74 |
| 3 | Germany | 36 |
| 4 | Canada | 16 |
| 5 | United Kingdom | 15 |
| 6 | Netherlands | 15 |
| 7 | South Korea | 14 |
| 8 | Italy | 13 |
| 9 | Hong Kong | 11 |
| 10 | Russia | 9 |
| 11 | Switzerland | 8 |
| 12 | Austria | 7 |
| 13 | Japan | 7 |
| 14 | Singapore | 7 |
| 15 | France | 6 |
| 16 | Poland | 2 |
| 17 | Sweden | 2 |
| 18 | Belgium | 2 |
| 19 | Spain | 1 |
| 20 | New Zealand | 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.