Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 297 |
| 2 | Iran | 105 |
| 3 | Germany | 104 |
| 4 | China | 88 |
| 5 | India | 73 |
| 6 | Canada | 69 |
| 7 | Italy | 61 |
| 8 | Australia | 60 |
| 9 | Brazil | 57 |
| 10 | United Kingdom | 54 |
| 11 | Spain | 49 |
| 12 | Japan | 41 |
| 13 | France | 41 |
| 14 | Mexico | 37 |
| 15 | South Africa | 36 |
| 16 | Russia | 33 |
| 17 | Netherlands | 31 |
| 18 | Malaysia | 25 |
| 19 | Indonesia | 24 |
| 20 | Nigeria | 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.