| Author | Popularity |
| Accettella, Daniela |
3 |
| Caburlotto, Andrea |
3 |
| Casamor, J. L. |
3 |
| Demarte, Maurizio |
3 |
| Forwick, Matthias |
3 |
| Ivaldi, Roberta |
3 |
| Laberg, Jan Sverre |
3 |
| Lucchi, Renata G. |
3 |
| Rebesco, Michele |
3 |
| Rui, L. |
3 |
| Rydningen, Tom Arne |
3 |
| Urgeles, Roger |
3 |
| Barsanti, Mattia |
2 |
| Delbono, Ivana |
2 |
| Madrussani, Gianni |
1 |
| Ministerio de Economía y Competitividad (España) |
1 |
