Dr. Ana Giménez-Arnau is a Consultant in Dermatology and Associate Professor in the Department of Dermatology at the University of Barcelona. Dr. Howard Maibach is a professor in the Department of Dermatology at UCSF and is an expert in contact and occupational dermatitis and His specialties are dermatotoxicology, or skin exposure toxicity; allergies and skin disorders; and dermatopharmacology or the study of medications for skin disorders. Dr. Maibach has been on the editorial board of more than 30 scientific journals and is a member of 19 professional societies including the American Academy of Dermatology, San Francisco Dermatological Society and the Internal Commission on Occupation Health.