Distribution of external reviewers by country
| Country | n |
|---|---|
| Australia | 1 |
| Brazil | 8 |
| Denmark | 1 |
| Finland | 1 |
| France | 1 |
| Germany | 5 |
| Italy | 3 |
| Jordan | 1 |
| Mexico | 1 |
| The Netherlands | 3 |
| Nicaragua | 1 |
| Poland | 4 |
| Portugal | 16 |
| Romania | 1 |
| Serbia and Montenegro | 1 |
| Spain | 18 |
| UK | 3 |
| USA | 1 |
| Total | 70 |