Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 161 |
| 2 | Germany | 78 |
| 3 | France | 72 |
| 4 | Canada | 51 |
| 5 | Japan | 41 |
| 6 | China | 37 |
| 7 | Singapore | 24 |
| 8 | United Kingdom | 22 |
| 9 | Russia | 22 |
| 10 | Poland | 16 |
| 11 | Italy | 15 |
| 12 | Netherlands | 11 |
| 13 | Taiwan | 10 |
| 14 | India | 10 |
| 15 | Czech Republic | 9 |
| 16 | Switzerland | 8 |
| 17 | Spain | 6 |
| 18 | Ukraine | 6 |
| 19 | Australia | 5 |
| 20 | Belgium | 4 |
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.