Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 74 |
| 2 | Italy | 45 |
| 3 | Spain | 28 |
| 4 | France | 27 |
| 5 | United Kingdom | 24 |
| 6 | China | 24 |
| 7 | Canada | 17 |
| 8 | Brazil | 14 |
| 9 | Germany | 13 |
| 10 | Netherlands | 12 |
| 11 | Saudi Arabia | 12 |
| 12 | Australia | 11 |
| 13 | Iran | 9 |
| 14 | Chile | 8 |
| 15 | Japan | 7 |
| 16 | Switzerland | 7 |
| 17 | Denmark | 6 |
| 18 | Sweden | 6 |
| 19 | Norway | 6 |
| 20 | India | 6 |
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.