1. Dermatology Department Hospital Universitario 12 de Octubre Madrid Spain
2. Dermatology Department Hospital del Mar Barcelona Spain
3. Dermatology Department Hospital Universitario Infanta Sofia Madrid Spain
4. Dermatology Department Hospital Universitario De Araba Vitoria Spain
5. Dermatology Department Hospital Universitari Germans Trias i Pujol Badalona Spain
6. Dermatology Department Hospital General Universitario de Valencia Valencia Spain
7. Dermatology Department Hospital Universitario de Fuenlabrada Madrid Spain
8. Dermatology Department Complejo Hospitalario Universitario de Toledo Toledo Spain
9. Dermatology Department Hospital Universitario Arnau de Vilanova Valencia Spain
10. Dermatology Department, Hospital Universitario Insular de Gran Canaria Universidad de Las Palmas de Gran Canaria Las Palmas de Gran Canaria Spain
11. Dermatology Department Complejo Asistencial Universitario de León León Spain
12. Dermatology Department Hospital de La Santa Creu i San Pau Barcelona Spain
13. Dermatology Department Hospital General de Alicante Alicante Spain
14. Dermatology Department Hospital General Universitario Jose Mª Morales Meseguer Murcia Spain
15. Dermatology Department Hospital Universitario de La Princesa Madrid Spain
16. Dermatology Department Hospital Universitario La Fe Valencia Spain
17. Dermatology Department Hospital Universitario de Guadalajara Guadalajara Spain
18. Dermatology Department Complejo Hospitalario de Navarra Pamplona Spain
19. Unidad de Investigación of the Fundación Piel Sana AEDV of the Spanish Academy of Dermatology Madrid Spain