Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 464 |
| 2 | China | 186 |
| 3 | United Kingdom | 171 |
| 4 | Germany | 142 |
| 5 | Canada | 138 |
| 6 | Brazil | 68 |
| 7 | Spain | 67 |
| 8 | South Korea | 61 |
| 9 | India | 56 |
| 10 | Iran | 50 |
| 11 | Portugal | 43 |
| 12 | Mexico | 42 |
| 13 | Argentina | 40 |
| 14 | Norway | 40 |
| 15 | France | 39 |
| 16 | Singapore | 32 |
| 17 | Denmark | 27 |
| 18 | Italy | 26 |
| 19 | Japan | 24 |
| 20 | Belgium | 23 |
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.