Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 63 |
| 2 | Italy | 34 |
| 3 | France | 29 |
| 4 | Spain | 29 |
| 5 | United Kingdom | 20 |
| 6 | China | 17 |
| 7 | Brazil | 16 |
| 8 | Australia | 15 |
| 9 | Canada | 14 |
| 10 | Germany | 12 |
| 11 | Saudi Arabia | 9 |
| 12 | Sweden | 9 |
| 13 | Netherlands | 9 |
| 14 | Iran | 8 |
| 15 | Czech Republic | 6 |
| 16 | India | 6 |
| 17 | Japan | 6 |
| 18 | Chile | 6 |
| 19 | Switzerland | 5 |
| 20 | Denmark | 5 |
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.