Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 139 |
| 2 | United States | 71 |
| 3 | Spain | 62 |
| 4 | United Kingdom | 54 |
| 5 | Italy | 52 |
| 6 | France | 49 |
| 7 | Netherlands | 48 |
| 8 | Israel | 43 |
| 9 | Belgium | 41 |
| 10 | Australia | 37 |
| 11 | Canada | 29 |
| 12 | Germany | 22 |
| 13 | Turkey | 22 |
| 14 | Denmark | 20 |
| 15 | Japan | 18 |
| 16 | Iran | 17 |
| 17 | Brazil | 11 |
| 18 | Austria | 9 |
| 19 | India | 9 |
| 20 | Hong Kong | 9 |
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.