Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 60 |
| 2 | Germany | 43 |
| 3 | China | 38 |
| 4 | Portugal | 35 |
| 5 | Brazil | 34 |
| 6 | Italy | 34 |
| 7 | Spain | 32 |
| 8 | United Kingdom | 31 |
| 9 | Australia | 27 |
| 10 | France | 12 |
| 11 | India | 12 |
| 12 | Iran | 11 |
| 13 | Chile | 10 |
| 14 | Netherlands | 10 |
| 15 | Canada | 10 |
| 16 | Turkey | 8 |
| 17 | Ireland | 8 |
| 18 | Saudi Arabia | 7 |
| 19 | Japan | 7 |
| 20 | Finland | 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.