Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 78 |
| 2 | China | 44 |
| 3 | United Kingdom | 34 |
| 4 | France | 29 |
| 5 | Germany | 28 |
| 6 | Italy | 11 |
| 7 | Hong Kong | 10 |
| 8 | Switzerland | 9 |
| 9 | Australia | 8 |
| 10 | Japan | 8 |
| 11 | Spain | 7 |
| 12 | Netherlands | 7 |
| 13 | Turkey | 4 |
| 14 | Belgium | 4 |
| 15 | Poland | 4 |
| 16 | Russia | 4 |
| 17 | South Korea | 4 |
| 18 | India | 4 |
| 19 | Canada | 3 |
| 20 | Ukraine | 3 |
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.