Specialised headache units, a feasible alternative in Spain

1. Pozo-Rosich, P.
2. Martin-Delgado, J.
3. Layos-Romero, A.
4. Pascual, J.
5. Bailón, C.
6. Guerrero Peral, Á.L.
7. Ignacio, E.
8. Torres, A.
9. Mira, J.J.