| Author | Popularity |
| Kroon, Paul A. |
2 |
| Andrés-Lacueva, Cristina |
1 |
| Bacon, James R. |
1 |
| Bravo, Laura |
1 |
| Chambers, Karen |
1 |
| Combet, Emilie |
1 |
| Espín de Gea, Juan Carlos |
1 |
| European Commission |
1 |
| Garcia-Aloy, Mar |
1 |
| García-Conesa, María Teresa |
1 |
| Gibney, Eileen R. |
1 |
| González-Sarrías, Antonio |
1 |
| Hollands, Wendy J. |
1 |
| Istas, Geoffrey |
1 |
| Konić-Ristić, Aleksandra |
1 |
| Kontogiorgis, Christos A. |
1 |
| Mateos, Raquel |
1 |
| Mena, Pedro |
1 |
| Morand, Christine |
1 |
| Pascual-Teresa, Sonia de |
1 |
