| Verfasser | Häufigkeit |
| Adeli, Hojjat |
3 |
| Costanzo, Sandra |
3 |
| Moreira, Fernando |
3 |
| Orovic, Irena |
3 |
| Reis, Luís Paulo |
3 |
| Rocha, Álvaro |
3 |
| Costa-Lobo, Cristina |
2 |
| Stoltz, Tania |
2 |
| Botelho, Claudia |
1 |
| Calatayud, Jacques |
1 |
| Campos Ramírez, Nelly |
1 |
| Casado-Vara, Roberto |
1 |
| Celis Ferreira, Claudia Lorena |
1 |
| Economou, Ioannis G. |
1 |
| Fdez-Riverola, Florentino |
1 |
| Ferreira-Santos, Pedro |
1 |
| Forte, Cinzia |
1 |
| Fouto, Ana Caldeira |
1 |
| Genisheva, Zlatina |
1 |
| Guzmán Torres, Carolina |
1 |