Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 1,931 |
| 2 | South Korea | 356 |
| 3 | United States | 354 |
| 4 | Italy | 333 |
| 5 | India | 202 |
| 6 | United Kingdom | 176 |
| 7 | Iran | 167 |
| 8 | Australia | 142 |
| 9 | Turkey | 120 |
| 10 | Canada | 119 |
| 11 | France | 107 |
| 12 | Spain | 79 |
| 13 | Germany | 74 |
| 14 | Portugal | 71 |
| 15 | Poland | 63 |
| 16 | Brazil | 58 |
| 17 | Taiwan | 46 |
| 18 | Malaysia | 43 |
| 19 | Japan | 39 |
| 20 | Singapore | 35 |
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.