1. Dermatology Department Hospital Universitario Ramon y Cajal Madrid Spain
2. Dermatology Department Hospital del Sureste Madrid Spain
3. Dermatology Department Hospital Universitario Campus de la Salud Granada Spain
4. Dermatology Department Universitat Internacional de Catalunya UIC Barcelona Spain
5. Dermatology Department Hospital Ruber Juan Bravo Madrid Spain
6. Dermatology Department Hospital Universitario Fundación Jiménez Díaz Madrid Spain
7. Dermatology Department Hospital Universitario Donostia San Sebastián Spain
8. Dermatology Department Hospital Universitario Reina Sofía Clínica Fernández‐Crehuet Córdoba Spain
9. Department of Medicine and Medical Specialties University of Alcalá Alcalá de Henares‐Madrid Madrid Spain