Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | Italy | 98 |
| 2 | China | 68 |
| 3 | United States | 54 |
| 4 | Germany | 51 |
| 5 | France | 36 |
| 6 | Russia | 29 |
| 7 | Spain | 28 |
| 8 | Japan | 18 |
| 9 | Switzerland | 17 |
| 10 | Canada | 12 |
| 11 | Poland | 10 |
| 12 | United Kingdom | 9 |
| 13 | Mexico | 8 |
| 14 | Czech Republic | 8 |
| 15 | Iran | 7 |
| 16 | Chile | 6 |
| 17 | Finland | 5 |
| 18 | Brazil | 5 |
| 19 | Israel | 5 |
| 20 | South Korea | 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.