Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 253 |
| 2 | China | 123 |
| 3 | United Kingdom | 81 |
| 4 | Spain | 42 |
| 5 | France | 41 |
| 6 | Russia | 41 |
| 7 | Japan | 41 |
| 8 | Germany | 33 |
| 9 | Canada | 32 |
| 10 | Brazil | 32 |
| 11 | Australia | 30 |
| 12 | Italy | 20 |
| 13 | Poland | 19 |
| 14 | India | 19 |
| 15 | Israel | 15 |
| 16 | Netherlands | 12 |
| 17 | Mexico | 10 |
| 18 | South Korea | 9 |
| 19 | Portugal | 8 |
| 20 | Turkey | 7 |
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.