Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 3,619 |
| 2 | Brazil | 341 |
| 3 | India | 341 |
| 4 | Iran | 178 |
| 5 | United States | 151 |
| 6 | Italy | 129 |
| 7 | South Korea | 115 |
| 8 | Spain | 112 |
| 9 | Poland | 110 |
| 10 | Argentina | 98 |
| 11 | Portugal | 88 |
| 12 | France | 84 |
| 13 | Egypt | 81 |
| 14 | Canada | 76 |
| 15 | Pakistan | 76 |
| 16 | Taiwan | 68 |
| 17 | Japan | 68 |
| 18 | Australia | 54 |
| 19 | Germany | 46 |
| 20 | Turkey | 39 |
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.