Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 146 |
| 2 | China | 115 |
| 3 | United Kingdom | 62 |
| 4 | Spain | 49 |
| 5 | Japan | 41 |
| 6 | Hong Kong | 39 |
| 7 | Canada | 32 |
| 8 | Iran | 32 |
| 9 | Australia | 30 |
| 10 | Taiwan | 26 |
| 11 | South Korea | 25 |
| 12 | New Zealand | 20 |
| 13 | Macao | 10 |
| 14 | Poland | 10 |
| 15 | Turkey | 8 |
| 16 | Belgium | 8 |
| 17 | Vietnam | 8 |
| 18 | Netherlands | 8 |
| 19 | Norway | 7 |
| 20 | Finland | 7 |
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.