1. Centre for Epidemiological Studies on Sexually Transmitted Infections and AIDS of Catalonia Ministry of Health of the Governmen of Catalonia Badalona Spain
2. Doctorate Program in Methodology of Biomedical Research and Public Health Department of Pediatrics Obstetrics and Gynecology and Preventive Medicine Universitat Autònoma de Barcelona (UAB) Badalona Spain
3. Germans Trias i Pujol Research Institute Campus Can Ruti Badalona Spain
4. Microbiology Department Laboratori Clínic Metropolitana Nord Hospital Universitari Germans Trias i Pujol Institut d'Investigació Germans Trias i Pujol Badalona (Barcelona) Spain
5. Biomedical Research Center Network for Epidemiology and Public Health (CIBERESP) Instituto de Salud Carlos III Madrid Spain
6. Stop Barcelona Spain
7. Gais Positius Barcelona Spain
8. Grupo de Trabajo sobre Tratamientos del VIH (gTt‐VIH) Barcelona Spain
9. Epidemiology Service, Public Health Agency of Barcelona (ASPB) Barcelona Spain
10. Department of Genetics and Microbiology Autonomous University of Barcelona Badalona Spain
11. Programa de prevenció, control i atenció al virus d'immunodeficiència humana, les infeccions de transmissió sexual i les hepatitis víriques, Public Health Agency of Catalonia Barcelona Spain