Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 1,150 |
| 2 | India | 239 |
| 3 | Brazil | 122 |
| 4 | Italy | 107 |
| 5 | Spain | 100 |
| 6 | Iran | 98 |
| 7 | Japan | 54 |
| 8 | Poland | 54 |
| 9 | Argentina | 54 |
| 10 | United States | 53 |
| 11 | Pakistan | 50 |
| 12 | South Korea | 44 |
| 13 | Russia | 38 |
| 14 | Germany | 36 |
| 15 | Saudi Arabia | 36 |
| 16 | Chile | 34 |
| 17 | Portugal | 33 |
| 18 | France | 33 |
| 19 | Tunisia | 27 |
| 20 | Australia | 26 |
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.