Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | Italy | 180 |
| 2 | United States | 166 |
| 3 | Spain | 118 |
| 4 | Germany | 110 |
| 5 | France | 75 |
| 6 | China | 72 |
| 7 | Russia | 61 |
| 8 | Switzerland | 57 |
| 9 | Japan | 43 |
| 10 | United Kingdom | 42 |
| 11 | Canada | 30 |
| 12 | Czech Republic | 19 |
| 13 | India | 19 |
| 14 | Poland | 16 |
| 15 | Finland | 13 |
| 16 | South Korea | 13 |
| 17 | Iran | 11 |
| 18 | Austria | 10 |
| 19 | Belgium | 9 |
| 20 | Mexico | 9 |
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.