Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 978 |
| 2 | China | 209 |
| 3 | Turkey | 150 |
| 4 | Canada | 88 |
| 5 | Italy | 82 |
| 6 | Iran | 81 |
| 7 | United Kingdom | 78 |
| 8 | India | 71 |
| 9 | Brazil | 67 |
| 10 | Australia | 62 |
| 11 | South Korea | 60 |
| 12 | Japan | 44 |
| 13 | Israel | 42 |
| 14 | Egypt | 42 |
| 15 | France | 41 |
| 16 | Belgium | 38 |
| 17 | Poland | 38 |
| 18 | Germany | 34 |
| 19 | Denmark | 34 |
| 20 | Spain | 31 |
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.