Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 421 |
| 2 | China | 228 |
| 3 | United Kingdom | 210 |
| 4 | Japan | 163 |
| 5 | France | 111 |
| 6 | India | 88 |
| 7 | Australia | 83 |
| 8 | Germany | 82 |
| 9 | Canada | 77 |
| 10 | Italy | 55 |
| 11 | Iran | 46 |
| 12 | New Zealand | 38 |
| 13 | Spain | 38 |
| 14 | Switzerland | 30 |
| 15 | Brazil | 28 |
| 16 | Israel | 24 |
| 17 | Netherlands | 24 |
| 18 | Finland | 21 |
| 19 | South Korea | 21 |
| 20 | Sweden | 19 |
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.