1. Department of Dermatology; Consorci Sanitari Parc Taulí; Autonomous University of Barcelona; Sabadell Spain
2. Department of Dermatology; Hospital Universitario de Álava; Vitoria-Gasteiz Spain
3. Department of Immunology; Hospital Clinic I Provincial; Barcelona Spain
4. Department of Dermatology; Hospital General de Granollers; Barcelona Spain
5. Department of Dermatology; Hospital Germans Trias I Pujol; Barcelona Spain
6. Department of Endocrinology; Consorci Sanitari Parc Taulí; Autonomous University of Barcelona; Sabadell Spain