Universidad Complutense de Madrid (UCM) - Servicio de Farmacología Clínica, Carlos III Institute of Health - CIBER de Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III- Laboratorio de Serología, University of the Basque Country - Biocruces Bizkaia Health Research Institute, affiliation not provided to SSRN, Instituto de Investigación Sanitaria San Carlos (IdISSC) - Servicio de Farmacología Clínica, Carlos III Institute of Health - National Centre for Microbiology, Carlos III Institute of Health, University of the Basque Country - Biocruces Bizkaia Health Research Institute, affiliation not provided to SSRN, Hospital Clinico San Carlos, University of Barcelona - AIDS Research Group, affiliation not provided to SSRN, affiliation not provided to SSRN, Carlos III Institute of Health, Carlos III Institute of Health, Hospital Clinico San Carlos, affiliation not provided to SSRN, Carlos III Institute of Health - AIDS Immunopathogenesis Unit and Instituto de Investigación Sanitaria San Carlos (IdISSC) - Servicio de Farmacología Clínica