Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 430 |
| 2 | China | 277 |
| 3 | Italy | 120 |
| 4 | Australia | 106 |
| 5 | Canada | 92 |
| 6 | France | 91 |
| 7 | Brazil | 80 |
| 8 | Japan | 79 |
| 9 | South Korea | 73 |
| 10 | Germany | 58 |
| 11 | United Kingdom | 54 |
| 12 | Spain | 49 |
| 13 | Taiwan | 42 |
| 14 | Netherlands | 38 |
| 15 | Finland | 34 |
| 16 | Denmark | 34 |
| 17 | India | 33 |
| 18 | Switzerland | 33 |
| 19 | Portugal | 27 |
| 20 | Turkey | 26 |
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.