Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 178 |
| 2 | China | 40 |
| 3 | Germany | 28 |
| 4 | Canada | 23 |
| 5 | Italy | 19 |
| 6 | Netherlands | 14 |
| 7 | Spain | 13 |
| 8 | United Kingdom | 13 |
| 9 | France | 12 |
| 10 | Australia | 11 |
| 11 | Switzerland | 10 |
| 12 | Hong Kong | 8 |
| 13 | Taiwan | 8 |
| 14 | Belgium | 7 |
| 15 | Austria | 6 |
| 16 | Japan | 5 |
| 17 | Norway | 5 |
| 18 | Sweden | 5 |
| 19 | New Zealand | 4 |
| 20 | Russia | 4 |
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.