1. Laboratory of Immunovirology, Infectious Diseases, Microbiology and Preventive Medicine Clinical Unit, Institute of Biomedicine of Seville (IBiS), Virgen del Rocio University Hospital/CSIC/University of Seville, Seville, Spain.
2. Department of Clinical Biochemistry, Virgen del Rocio University Hospital (IBiS/CSIC/SAS/University of Seville), Seville, Spain.
3. Department of Biochemistry, Molecular Biology and Immunology, Medical School, University of Seville, Seville, Spain.