Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 300 |
| 2 | United States | 205 |
| 3 | France | 102 |
| 4 | Germany | 89 |
| 5 | Canada | 83 |
| 6 | United Kingdom | 57 |
| 7 | Russia | 51 |
| 8 | Italy | 42 |
| 9 | Spain | 41 |
| 10 | Australia | 36 |
| 11 | Japan | 35 |
| 12 | India | 34 |
| 13 | Mexico | 33 |
| 14 | Switzerland | 31 |
| 15 | Brazil | 29 |
| 16 | Sweden | 27 |
| 17 | Belgium | 27 |
| 18 | Poland | 21 |
| 19 | Czech Republic | 18 |
| 20 | Iran | 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.