Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 1,000 |
| 2 | Italy | 232 |
| 3 | United States | 195 |
| 4 | Spain | 171 |
| 5 | India | 129 |
| 6 | Brazil | 123 |
| 7 | United Kingdom | 107 |
| 8 | Canada | 94 |
| 9 | Denmark | 93 |
| 10 | South Korea | 87 |
| 11 | France | 84 |
| 12 | Japan | 83 |
| 13 | Germany | 80 |
| 14 | Australia | 76 |
| 15 | Sweden | 66 |
| 16 | Poland | 62 |
| 17 | Portugal | 54 |
| 18 | Austria | 49 |
| 19 | Finland | 43 |
| 20 | Belgium | 42 |
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.