1 Department of Dermatology, Faculty of Medicine, Clínica Alemana, Universidad del Desarrollo, Santiago, Chile.
2 Department of Pathology, Faculty of Medicine, Clínica Alemana, Universidad del Desarrollo, Santiago, Chile.
3 Department of Dermatology, Faculty of Medicine, Clínica Alemana, Universidad del Desarrollo, Santiago, Chile. Electronic address: mdelpuerto@alemana.cl.