Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | Japan | 184 |
| 2 | United States | 152 |
| 3 | China | 127 |
| 4 | France | 79 |
| 5 | Russia | 68 |
| 6 | Spain | 43 |
| 7 | United Kingdom | 39 |
| 8 | Canada | 39 |
| 9 | Germany | 37 |
| 10 | India | 35 |
| 11 | Australia | 35 |
| 12 | Poland | 33 |
| 13 | Italy | 32 |
| 14 | South Korea | 29 |
| 15 | Hungary | 27 |
| 16 | Belgium | 27 |
| 17 | Norway | 24 |
| 18 | Brazil | 23 |
| 19 | Ukraine | 23 |
| 20 | Sweden | 23 |
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.