Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 335 |
| 2 | China | 228 |
| 3 | France | 69 |
| 4 | Germany | 63 |
| 5 | Japan | 59 |
| 6 | Spain | 41 |
| 7 | Canada | 38 |
| 8 | Belgium | 34 |
| 9 | Italy | 33 |
| 10 | Netherlands | 32 |
| 11 | Singapore | 31 |
| 12 | Australia | 30 |
| 13 | United Kingdom | 30 |
| 14 | Taiwan | 28 |
| 15 | South Korea | 25 |
| 16 | Brazil | 20 |
| 17 | India | 18 |
| 18 | Hong Kong | 13 |
| 19 | Russia | 11 |
| 20 | Argentina | 10 |
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.