1. Infectious Diseases Unit, Hospital Clínic, Institut d'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain.
2. HIV Vaccine Development in Catalonia (HIVACAT), Hospital Clinic, Faculty of Medicine, University of Barcelona, Barcelona, Spain.
3. Retrovirology and Viral Immunopathology Laboratory, Institut d'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Hospital Clínic, University of Barcelona, Barcelona, Spain.
4. Immunology Laboratory, Hospital Reina Sofía, University of Córdoba, Córdoba, Spain.