1. Department of Dermatology Hospital Universitario de Cabueñes Gijón Spain
2. Department of Dermatology Hospital Clínico Universitario de Santiago de Compostela A Coruña Spain
3. Department of Dermatology Hospital Universitario Central de Asturias Oviedo Spain
4. Vascular Malformations Section and Clinical Genetics Section Institute of Medical and Molecular Genetics Hospital Universitario La Paz Madrid Spain
5. CIBERER Madrid Spain