[1] Hosp Clin Barcelona, Prevent Med & Epidemiol Dept, E-08036 Barcelona, Catalonia, Spain
[2] IDIBELL, Inst Catala Oncol, Canc Epidemiol Res Programme, Infect & Canc Unit UNIC, Lhospitalet De Llobregat 08908, Catalonia, Spain
[3] Hosp Clin Barcelona, IDIBAPS, Stat & Methodol Support Unit USEM, E-08036 Barcelona, Catalonia, Spain
[4] Univ Autonoma Barcelona, Sch Med, Biostat Unit, E-08193 Barcelona, Catalonia, Spain
[5] Hosp Clin Barcelona, Dept Immunol, E-08036 Barcelona, Catalonia, Spain
[6] Hosp Clin Barcelona, Dept Infect Dis, E-08036 Barcelona, Catalonia, Spain