Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 21 |
| 2 | China | 14 |
| 3 | Italy | 12 |
| 4 | India | 10 |
| 5 | Greece | 6 |
| 6 | United Kingdom | 6 |
| 7 | Germany | 5 |
| 8 | Australia | 5 |
| 9 | France | 5 |
| 10 | Canada | 4 |
| 11 | Iran | 2 |
| 12 | Brazil | 2 |
| 13 | Singapore | 2 |
| 14 | Switzerland | 1 |
| 15 | Denmark | 1 |
| 16 | Finland | 1 |
| 17 | Japan | 1 |
| 18 | Netherlands | 1 |
| 19 | Portugal | 1 |
| 20 | Spain | 1 |
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.