Table 2.
Top 10 first author country of origin
| Country | Count |
|---|---|
| USA | 1951 |
| England | 998 |
| China | 904 |
| Canada | 492 |
| Australia | 473 |
| Netherlands | 436 |
| Brazil | 337 |
| Spain | 299 |
| Italy | 284 |
| Germany | 269 |
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