1. Department of Dermatology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain;
2. Department of Dermatology, Hospital Universitari de Bellvitge, Feixa Llarga, Barcelona, Spain;
3. Department of Pharmacy, Hospital Virgen de las Nieves de Granada, Spain;
4. Medical and Surgical Dermatology Unit, Hospital Universitario Virgen Macarena, Sevilla, Spain;
5. Outcomes SL. Castelló de la Plana, Castellón, Spain;
6. Novartis Pharmaceuticals, Barcelona, Spain