Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 98 |
| 2 | Brazil | 73 |
| 3 | Canada | 55 |
| 4 | Spain | 39 |
| 5 | Iran | 23 |
| 6 | Australia | 18 |
| 7 | Turkey | 13 |
| 8 | Switzerland | 12 |
| 9 | South Korea | 12 |
| 10 | Poland | 11 |
| 11 | United Kingdom | 11 |
| 12 | China | 9 |
| 13 | New Zealand | 8 |
| 14 | Belgium | 8 |
| 15 | Italy | 7 |
| 16 | Netherlands | 5 |
| 17 | Japan | 5 |
| 18 | Egypt | 4 |
| 19 | Sweden | 4 |
| 20 | Portugal | 4 |
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.