Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 199 |
| 2 | China | 106 |
| 3 | Germany | 46 |
| 4 | Australia | 38 |
| 5 | Belgium | 29 |
| 6 | United Kingdom | 27 |
| 7 | Spain | 26 |
| 8 | India | 23 |
| 9 | Taiwan | 23 |
| 10 | France | 23 |
| 11 | South Korea | 21 |
| 12 | Canada | 16 |
| 13 | Netherlands | 15 |
| 14 | Italy | 12 |
| 15 | Hong Kong | 10 |
| 16 | Switzerland | 9 |
| 17 | Portugal | 6 |
| 18 | Brazil | 6 |
| 19 | Turkey | 5 |
| 20 | Chile | 5 |
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.