Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 524 |
| 2 | United States | 157 |
| 3 | Germany | 128 |
| 4 | Canada | 49 |
| 5 | Netherlands | 49 |
| 6 | France | 41 |
| 7 | Brazil | 36 |
| 8 | Spain | 36 |
| 9 | Australia | 36 |
| 10 | Finland | 29 |
| 11 | Hong Kong | 27 |
| 12 | United Kingdom | 23 |
| 13 | Japan | 21 |
| 14 | Iran | 21 |
| 15 | Switzerland | 19 |
| 16 | Italy | 18 |
| 17 | India | 18 |
| 18 | South Africa | 17 |
| 19 | South Korea | 12 |
| 20 | Austria | 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.