Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 2,597 |
| 2 | Spain | 179 |
| 3 | India | 162 |
| 4 | Australia | 114 |
| 5 | Iran | 98 |
| 6 | United States | 96 |
| 7 | United Kingdom | 73 |
| 8 | Italy | 60 |
| 9 | Brazil | 56 |
| 10 | South Korea | 52 |
| 11 | Canada | 44 |
| 12 | France | 44 |
| 13 | Singapore | 42 |
| 14 | Turkey | 41 |
| 15 | Poland | 36 |
| 16 | Japan | 35 |
| 17 | Taiwan | 31 |
| 18 | Hong Kong | 30 |
| 19 | Vietnam | 24 |
| 20 | Macao | 17 |
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.