1. Fundació Lluita contra les Infeccions, Infectious Diseases Department, Hospital Universitari Germans Trias I Pujol , Badalona , Spain
2. IrsiCaixa AIDS Research Institute, Hospital Germans Trias I Pujol , Badalona , Spain
3. Autonomous University , Barcelona , Spain
4. Germans Trias i Pujol Research Institute , Badalona , Spain
5. Faculty of Medicine, University of Vic–Central University of Catalonia , Vic , Spain
6. CIBER Enfermedades Infecciosas, Instituto de Salud Carlos III , Madrid , Spain
7. Catalan Institution for Research and Advanced Studies , Barcelona , Spain
8. Preventive Medicine Service, Hospital Universitari Germans Trias I Pujol , Badalona , Spain