1. Department of Dermatology, University Hospital Virgen del Roco University Hospital , Sevilla , Spain
2. Department of Dermatology, University Hospital La Paz , Madrid , Spain
3. Department of Dermatology, University Hospital San Cecilio, Instituto biosanitario de Granada , Ibs, Granada , Spain
4. Department of Dermatology, University Hospital Puerta del Hierro , Madrid , Spain
5. Department of Dermatology, University Hospital , Córdoba , Spain
6. Department of Dermatology, University Hospital de Bellvitge , Barcelona , Spain
7. Department of Dermatology, University Hospital Arnau de Vilanova University Hospital , Valencia , Spain
8. Department of Dermatology, Infanta Leonor Hospital , Madrid , Spain
9. Department of Dermatology, Sant Pau Hospital , Barcelona , Spain
10. Department of Dermatology, Germans Trias i Pujol University Hospital , Badalona , Spain
11. Department of Dermatology. Hospital Universitari Sagrat Cor , Grupo Quirónsalud, Barcelona , Spain
12. Department of Dermatology, University Hospital Parc Taulí , Sabadell , Spain
13. Department of Dermatology, University Hospital Ramon y Cajal , Madrid , Spain
14. Department of Dermatology, University Hospital Virgen Macarena , Sevilla , Spain
15. Department of Dermatology, University Hospital 12 de Octubre , Madrid , Spain
16. Department of Dermatology, University Hospital Puerto Real, University of Cádiz , Spain