1. Centre of Epidemiological Studies of HIV/AIDS and STI of Catalonia (CEEISCAT), Health Department, Generalitat de Catalunya, 08916 Badalona, Spain
2. Department of Infectious Diseases, Odense University Hospital, 5000 Odense, Denmark
3. Epidemiology Service, Public Health Agency of Barcelona, 08023 Barcelona, Spain
4. Department of Medicine, University of Barcelona, 08036 Barcelona, Spain
5. Institute of Biomedical Research Hospital de la Santa Creu i Sant Pau (IIB Sant Pau), 08041 Barcelona, Spain
6. CIBER Epidemiologia y Salud Pública (CIBERESP), 28029 Madrid, Spain
7. Department of Paediatrics, Obstetrics and Gynecology and Preventive Medicine, Universitat Autònoma de Barcelona, 08916 Badalona, Spain
8. Subdirecció General de Vigilància i Resposta a Alertes i Emergències de Salut Pública—ASPCAT, Teià, Cataluña, Spain
9. Fight Infections Foundation, Badalona, 08916 Barcelona, Spain
10. Fundació Institut D’investigació en Ciències de la Salut Germans Trias I Pujol (IGTP), 08916 Badalona, Spain
11. Hospital Clínic-Institut d’Investigacions Biomèdiques August Pi i Sunyer, University of Barcelona, 08916 Barcelona, Spain
12. Infectious Diseases Unit, Hospital Universitari de la Santa Creu i Sant Pau, 08916 Barcelona, Spain
13. Department of Infectious Diseases, Hospital Universitari de la Vall d’Hebron, 08916 Barcelona, Spain
14. HIV and STD Unit, Infectious Disease Department, Hospital Universitari de Bellvitge, Hospitalet de Llobregat, 08916 Barcelona, Spain
15. Department of Internal Medicine, Hospital Universitari Tarragona Juan XXIII, Universitat Rovira i Virgili, Tarragona, Spain
16. Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
17. Department of Internal Medicine, Hospital de Palamós, 17230 Girona, Spain
18. Department of Infectious Diseases, Parc Taulí University Hospital, Sabadell, 08916 Barcelona, Spain
19. Infectious Diseases Department, University Hospital Germans Trias i Pujol, Badalona, 08916 Barcelona, Spain