Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 982 |
| 2 | United States | 224 |
| 3 | Germany | 223 |
| 4 | India | 188 |
| 5 | South Korea | 163 |
| 6 | Spain | 143 |
| 7 | Australia | 137 |
| 8 | France | 113 |
| 9 | Japan | 92 |
| 10 | United Kingdom | 88 |
| 11 | Italy | 74 |
| 12 | Taiwan | 72 |
| 13 | Netherlands | 47 |
| 14 | Singapore | 46 |
| 15 | Iran | 45 |
| 16 | Canada | 34 |
| 17 | Turkey | 33 |
| 18 | Belgium | 32 |
| 19 | Portugal | 25 |
| 20 | Switzerland | 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.