Fight AIDS and Infectious Diseases Foundation, Badalona, Spain. Hospital Universitari Germans Trias i Pujol, Badalona, Spain. Facultat de Medicina-Universitat de Barcelona, Barcelona, Spain. IrsiCaixa AIDS Research Institute, Badalona, Spain. Universitat Autònoma de Barcelona, Barcelona, Spain. ISGlobal, Hospital Clinic Universitat de Barcelona, Barcelona, Spain. Gerència Territorial Metropolitana Nord, Institut Català de la Salut, Barcelona, Spain. Metropolitana Nord Laboratory, Institut Català de la Salut, Badalona, Spain. Microbiology Department, Clinical Laboratory Metropolitana Nord, Badalona, Barcelona, Spain. Centre of Epidemiological Studies of HIV/AIDS and STI of Catalonia (CEEISCAT), Health Department, Generalitat de Catalunya, Badalona, Spain. CIBER Epidemiologia y Salud Pública (CIBERESP), Madrid, Spain. CIBER Enfermedades Respiratorias (CIBERES), Madrid, Spain. DENTAID Research Center, Cerdanyola del Vallès, Spain. Universitat de Vic-Universitat Central de Catalunya (UVIC-UCC), Vic, Spain. Germans Trias i Pujol Research Institute, Badalona, Spain. Lihir Medical Centre, International SOS, Lihir Island, Papua New Guinea.