1 Centre of Epidemiological Studies of STI and HIV/AIDS in Catalonia (CEEISCAT), Department of Health, Generalitat de Catalunya, Badalona, Spain.
2 Institute for Health Science Research Germans Trias i Pujol (IGTP), Badalona, Spain.
3 CIBER Epidemiologia y Salud Pública (CIBERESP), Madrid, Spain.
4 Unitat de VIH, Hospital Clinic de Barcelona, Barcelona, Spain.
5 CIBERINFEC, Madrid, Spain.
6 Department of Infectious Diseases, Hospital Universitari Germans Trias i Pujol, Badalona, Spain.
7 Department of Infectious Diseases, Hospital Universitari de la Vall d'Hebron, Barcelona, Spain.
8 Department of Infectious Diseases, Hospital Universitari de Bellvitge, Bellvitge Biomedical Research Institute (IDIBELL), University of Barcelona, L'Hospitalet de Llobregat, Spain.
9 Department of Infectious Diseases, Hospital de Son Espases, Palma, Spain.
10 Department of Infectious Diseases, Parc Taulí Hospital Universitari, Sabadell, Spain.
11 Department of Infectious Diseases, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.
12 Department of Infectious Diseases, Consorci Sanitari Integral, Hospitalet del Llobregat, Spain.
13 Department of Infectious Diseases, Hospital de Palamós, Palamós, Spain.
14 Hospital Clínic-Institut d'Investigacions Biomèdiques August Pi i Sunyer, University of Barcelona, Barcelona, Spain.