1. Department of Dermatology; Hospital Infantil Niño Jesús; Madrid Spain
2. Molecular Medicine Unit-Department of Medicine; IBSAL and IBMCC and University Hospital of Salamanca; CSIC, University of Salamanca; Spain
3. Department of Dermatology; Hospital Son Espases; Palma de Mallorca Spain
4. Department of Dermatology; Hospital Universitario de Salamanca; Salamanca Spain
5. Department of Dermatology; Hospital Sant Joan de Deu; Barcelona Spain
6. Department of Neurology; Hospital Infantil Niño Jesús; Madrid Spain