1. Department of Dermatology; Hospital Sant Pau i Santa Tecla; Tarragona Spain
2. Department of Dermatology; Son Espases University Hospital; Palma, Mallorca Spain
3. Dermatology Unit; Second University of Naples; Naples Italy
4. Department of Dermatology; Medical University of Ege; Ege Turkey
5. Dermatology; Department of Surgery; Infermi Hospital; Rimini Italy
6. Department of Dermatology Maternal and Child Hospital; Carlos Haya; Hospital Málaga; Málaga Spain
7. Department of Dermatology; Son Llàtzer Hospital; Palma, Mallorca Spain
8. Department of Dermatology; Dr Negrin University Hospital of Gran Canaria; Gran Canaria Spain
9. Department of Dermatology; General University Hospital of Alicante; Alicante Spain