1. Department of Dermatology Hospital Clínico Universitario Lozano Blesa Zaragoza Spain
2. Department of Dermatology Hospital de Sant Pau i Santa Tecla Tarragona Spain
3. Department of Dermatology Hospital General Universitario de Alicante ISABIAL Alicante Spain
4. Department of Dermatology Consorci Sanitari del Maresme Barcelona Spain
5. Department of Dermatology Hospital Universitario de Gran Canaria ‘Doctor Negrín’ Gran Canaria Spain
6. Department of Dermatology Hospital de son Llatzer Palma de Mallorca Spain
7. Department of Dermatology Clínica Dermatológica Internacional Madrid Spain