Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 696 |
| 2 | China | 111 |
| 3 | South Korea | 96 |
| 4 | Japan | 73 |
| 5 | Canada | 49 |
| 6 | France | 43 |
| 7 | Germany | 38 |
| 8 | Italy | 30 |
| 9 | Netherlands | 27 |
| 10 | India | 18 |
| 11 | United Kingdom | 15 |
| 12 | Singapore | 15 |
| 13 | Taiwan | 14 |
| 14 | Spain | 14 |
| 15 | Greece | 14 |
| 16 | Brazil | 11 |
| 17 | Turkey | 10 |
| 18 | Switzerland | 9 |
| 19 | Australia | 9 |
| 20 | Belgium | 8 |
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.