Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 1,538 |
| 2 | India | 378 |
| 3 | United States | 217 |
| 4 | Brazil | 207 |
| 5 | South Korea | 195 |
| 6 | Italy | 176 |
| 7 | Iran | 169 |
| 8 | Japan | 135 |
| 9 | Spain | 126 |
| 10 | Poland | 120 |
| 11 | Taiwan | 93 |
| 12 | Argentina | 90 |
| 13 | France | 89 |
| 14 | Portugal | 86 |
| 15 | Germany | 85 |
| 16 | Russia | 64 |
| 17 | Turkey | 63 |
| 18 | United Kingdom | 58 |
| 19 | Australia | 43 |
| 20 | Canada | 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.