1. National Center for Epidemiology, Instituto de Salud Carlos III
2. Centre of Biomedical Research for Infectious Diseases (CIBERINFEC), Madrid
3. Infectious Diseases Department, Hospital Universitario de Navarra, Pamplona
4. Infectious Diseases Department, Hospital San Pedro-CIBIR, Logroño
5. Infectious Diseases - HIV Unit, Internal Medicine, Hospital Universitario Central de Asturias, Oviedo University School of Medicine, Translational Research in Infective Pathology Lab, ISPA-FINBA
6. Internal Medicine Department, Hospital Universitario Severo Ochoa, Leganés
7. Infectious Diseases Department, Vall d’Hebron University Hospital, Vall d’Hebron Research Institute, Barcelona
8. HIV Unit, Internal Medicine Department, Biomedical Research Institute Imas12, Hospital Universitario 12 de Octubre. Medicine Department. Universidad Complutense de Madrid, Madrid
9. Department of Infectious Diseases, Donostia University Hospital, IIS Biodonostia, San Sebastián, Spain.