Affiliation: | Departments of Microbiology, Dermatology;and Pathology, Hospital Severo Ochoa, Avda de Orellana s/n, 28911 Leganés, Madrid, Spain; Department of Microbiology, Hospital Royo Villanova, Zaragoza, Spain; Department of Microbiology, Hospital Universitario 12 de Octubre, Madrid, Spain E-mail: |