Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 742 |
| 2 | United States | 256 |
| 3 | Spain | 220 |
| 4 | South Korea | 212 |
| 5 | Japan | 160 |
| 6 | Italy | 149 |
| 7 | Russia | 132 |
| 8 | Brazil | 123 |
| 9 | Mexico | 121 |
| 10 | India | 119 |
| 11 | France | 108 |
| 12 | Canada | 66 |
| 13 | Poland | 65 |
| 14 | United Kingdom | 64 |
| 15 | Argentina | 58 |
| 16 | Czech Republic | 54 |
| 17 | Portugal | 46 |
| 18 | Germany | 45 |
| 19 | Romania | 44 |
| 20 | Taiwan | 38 |
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.