1. Department of Dermatology, Hospital Universitari Germans Trias i Pujol Universitat Autònoma de Barcelona (UAB) Badalona Spain
2. Department of Dermatology Hospital de la Santa Creu i Sant Pau Barcelona Spain
3. Department of Dermatology Hospital General Universitario de Valencia Valencia Spain
4. Department of Dermatology Hospital Clínico Universitario San Cecilio Granada Spain
5. Department of Dermatology Hospital Universitario de la Princesa Madrid Spain
6. Department of Dermatology Hospital de Manacor (Illes Balears) Manacor Spain
7. Department of Dermatology Hospital Universitario de Basurto Bilbao Spain
8. Department of Dermatology Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat Barcelona Spain
9. Department of Dermatology Hospital Universitario Virgen del Rocío Sevilla Spain
10. Department of Dermatology Hospital Universitario y Politécnico La Fe Valencia, Instituto de Investigación Sanitaria La Fe Valencia Spain
11. Department of Dermatology Complex Hospitalari Moisès Broggi, Sant Joan Despí (Barcelona) Barcelona Spain
12. Department of Dermatology Hospital Universitario 12 de Octubre Madrid Spain
13. Department of Dermatology Hospital Universitario de Gran Canaria Dr. Negrín, Las Palmas de Gran Canaria Las Palmas Spain
14. Department of Dermatology Hospital Universitario Dr. Peset Valencia Spain
15. Department of Dermatology Hospital Infanta Leonor Madrid Spain