Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 55 |
| 2 | India | 36 |
| 3 | Iran | 32 |
| 4 | United States | 28 |
| 5 | Germany | 26 |
| 6 | Russia | 18 |
| 7 | Turkey | 17 |
| 8 | Poland | 9 |
| 9 | Mexico | 8 |
| 10 | Brazil | 7 |
| 11 | Italy | 6 |
| 12 | Portugal | 5 |
| 13 | United Kingdom | 5 |
| 14 | Egypt | 5 |
| 15 | Cameroon | 4 |
| 16 | Czech Republic | 4 |
| 17 | Romania | 4 |
| 18 | Oman | 4 |
| 19 | Greece | 3 |
| 20 | Pakistan | 3 |
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.