1. Department of Dermatology; Hospital Universitario Niño Jesús; Madrid Spain
2. Department of Dermatology; Hospital Universitario La Paz; Madrid Spain
3. Clinical Genetics Section; Institute of Medical and Molecular Genetics; Hospital Universitario La Paz; Universidad Autónoma de Madrid; Madrid Spain
4. Unit 753; Centro de Investigación Biomédica en Red de Enfermedades Raras; Instituto de Salud Carlos III; Madrid Spain
5. Department of Human Genetic, Genome Diagnostics; Radboud University Medical Centre; Nijmegen The Netherlands
6. Molecular Medicine Unit-Department of Medicine, IBSAL and IBMCC; Universitiy Hospital of Salamanca and CSIC; University of Salamanca; Spain