Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | United States | 1,208 |
| 2 | Italy | 125 |
| 3 | Japan | 110 |
| 4 | China | 108 |
| 5 | Canada | 96 |
| 6 | India | 88 |
| 7 | United Kingdom | 78 |
| 8 | Germany | 49 |
| 9 | Australia | 47 |
| 10 | France | 46 |
| 11 | Netherlands | 36 |
| 12 | Oman | 32 |
| 13 | Turkey | 25 |
| 14 | Switzerland | 24 |
| 15 | Belgium | 22 |
| 16 | Singapore | 22 |
| 17 | Finland | 22 |
| 18 | South Korea | 22 |
| 19 | Russia | 20 |
| 20 | Egypt | 18 |
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.