Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 224 |
| 2 | United States | 211 |
| 3 | France | 102 |
| 4 | Germany | 91 |
| 5 | Canada | 88 |
| 6 | United Kingdom | 51 |
| 7 | Russia | 46 |
| 8 | Italy | 44 |
| 9 | Spain | 41 |
| 10 | Australia | 39 |
| 11 | Japan | 32 |
| 12 | Switzerland | 32 |
| 13 | Sweden | 28 |
| 14 | Brazil | 26 |
| 15 | India | 26 |
| 16 | Belgium | 26 |
| 17 | Poland | 21 |
| 18 | Czech Republic | 19 |
| 19 | Finland | 18 |
| 20 | Mexico | 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.