1. Department of Dermatology Hospital Universitario, 12 de Octubre, Instituto de Investigación i + 12, Universidad Complutense Madrid Spain
2. Department of Dermatology Hospital Clínic‐Universitat de Barcelona IDIBAPS Barcelona Spain
3. Department of Dermatology Hospital Del Mar Barcelona Spain
4. Department of Dermatology Hospital General Universitario de Valencia Valencia Spain
5. Department of Dermatology Hospital Universitario Donostia San Sebastián Spain
6. Department of Dermatology Hospital Universitario de Bellvitge Barcelona Spain
7. Department of Dermatology Hospital Universitario Ramón y Cajal Madrid Spain
8. Department of Dermatology Hospital Universitario Puerta del Mar Cádiz Spain
9. Department of Dermatology Hospital Universitario Rey Juan Carlos Madrid Spain
10. Clinical Research Unit IMAS12‐CIBERESP Hospital Universitario, 12 de Octubre, Instituto de Investigación i + 12, Universidad Complutense Madrid Spain