1. Microbiology Unit, Hospital de Puerto Real, 11510 Cádiz, Spain
2. Department of Microbiology, Faculty of Sciences, University of Malaga, Avenue Louis Pasteur w/n, 29010 Malaga, Spain
3. Department of Microbiology, Faculty of Medicine, University of Granada, 18071 Granada, Spain
4. Infectious Diseases and Clinical Microbiology Unit, Virgen de la Victoria Hospital, 29010 Malaga, Spain