Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 65 |
| 2 | China | 45 |
| 3 | Germany | 30 |
| 4 | Canada | 15 |
| 5 | Netherlands | 12 |
| 6 | United Kingdom | 10 |
| 7 | South Korea | 10 |
| 8 | Russia | 9 |
| 9 | Italy | 8 |
| 10 | Switzerland | 7 |
| 11 | Hong Kong | 7 |
| 12 | Austria | 6 |
| 13 | France | 5 |
| 14 | Singapore | 5 |
| 15 | Japan | 4 |
| 16 | Belgium | 2 |
| 17 | Macao | 1 |
| 18 | Hungary | 1 |
| 19 | New Zealand | 1 |
| 20 | Poland | 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.