Fight AIDS and Infectious Diseases Foundation, Badalona, Spain; Infectious Diseases Department, Hospital Universitari Germans Trias i Pujol, Badalona, Spain; Facultat de Medicina, Universitat de Barcelona, Barcelona, Spain. Electronic address: aalemany@flsida.org. ISGlobal, Hospital Clinic, Universitat de Barcelona, Barcelona, Spain. Fight AIDS and Infectious Diseases Foundation, Badalona, Spain; Infectious Diseases Department, Hospital Universitari Germans Trias i Pujol, Badalona, Spain; Facultat de Medicina, Universitat de Barcelona, Barcelona, Spain; Hospital Universitari Parc Taulí, I3PT, Sabadell, Spain. Emergency Department, Bellvitge University Hospital, Hospitalet de Llobregat, Spain. Fight AIDS and Infectious Diseases Foundation, Badalona, Spain; Universitat Autònoma de Barcelona, Barcelona, Spain. Unitat de Suport a la Recerca de la Catalunya Central, Fundació Institut Universitari per a la Recerca a l'Atenció Primària de Salut Jordi Gol i Gurina, Sant Fruitós de Bages, Spain; Health Promotion in Rural Areas Research Group, Gerència Territorial de la Catalunya Central, Institut Català de la Salut, Sant Fruitós de Bages, Spain; Universitat de Vic-Universitat Central de Catalunya, Vic, Spain. Unitat de Suport a la Recerca de la Catalunya Central, Fundació Institut Universitari per a la Recerca a l'Atenció Primària de Salut Jordi Gol i Gurina, Sant Fruitós de Bages, Spain. Salut Catalunya Central, Hospital de Berga, Berga, Spain. Fight AIDS and Infectious Diseases Foundation, Badalona, Spain; Clinical Research Support Unit, HUB-IDIBELL, Bellvitge University Hospital and Bellvitge Biomedical Research Institute, Bellvitge University Hospital, L'Hospitalet de Llobregat, Barcelona, Spain; Pharmacology Unit, Department of Pathology and Experimental Therapeutics, School of Medicine and Health Sciences, IDIBELL, University of Barcelona, L'Hospitalet de Llobregat, Barcelona, Spain. Fight AIDS and Infectious Diseases Foundation, Badalona, Spain. Infectious Diseases Department, Hospital Universitari Germans Trias i Pujol, Badalona, Spain. Emergency Department, Bellvitge University Hospital, Hospitalet de Llobregat, Spain; Clinical Research Support Unit, HUB-IDIBELL, Bellvitge University Hospital and Bellvitge Biomedical Research Institute, Bellvitge University Hospital, L'Hospitalet de Llobregat, Barcelona, Spain. Blood Bank Department, Banc de Sang i Teixits, Barcelona, Spain. Fight AIDS and Infectious Diseases Foundation, Badalona, Spain; Blood Bank Department, Banc de Sang i Teixits, Barcelona, Spain. Fight AIDS and Infectious Diseases Foundation, Badalona, Spain; Institute for Research in Biomedicine, The Barcelona Institute of Science and Technology, Barcelona, Spain. Bioclever, Barcelona, Spain. Gerència Territorial Metropolitana Nord, Institut Català de la Salut, Barcelona, Spain. Universitat Autònoma de Barcelona, Barcelona, Spain; Gerència Territorial Metropolitana Nord, Institut Català de la Salut, Barcelona, Spain. Gerència Territorial de la Catalunya Central, Institut Català de la Salut, Barcelona, Spain. Infectious Diseases Department, Hospital Universitari Germans Trias i Pujol, Badalona, Spain; Universitat Autònoma de Barcelona, Barcelona, Spain. IrsiCaixa AIDS Research Institute, Germans Trias i Pujol Research Institute, Can Ruti Campus, Badalona, Spain. Universitat de Vic-Universitat Central de Catalunya, Vic, Spain; IrsiCaixa AIDS Research Institute, Germans Trias i Pujol Research Institute, Can Ruti Campus, Badalona, Spain. Microbiology Department, Clinical Laboratory Metropolitana Nord, Badalona, Barcelona, Spain. Hospital for Tropical Diseases, London, UK; Clinical Research Department, London School of Hygiene and Tropical Medicine, London, UK. ISGlobal, Hospital Clinic, Universitat de Barcelona, Barcelona, Spain; Consorcio de Investigación Biomédica en Red de Epidemiología y Salud Pública, Madrid, Spain; ICREA, Pg Lluís Companys 23, Barcelona, Spain; Pediatrics Department, Hospital Sant Joan de Déu, Universitat de Barcelona, Esplugues, Barcelona, Spain; Centro de Investigação em Saúde de Manhiça, Maputo, Mozambique. Management Department, Clinical Laboratory Metropolitana Nord, Badalona, Barcelona, Spain. Fight AIDS and Infectious Diseases Foundation, Badalona, Spain; Infectious Diseases Department, Hospital Universitari Germans Trias i Pujol, Badalona, Spain; Universitat Autònoma de Barcelona, Barcelona, Spain; Universitat de Vic-Universitat Central de Catalunya, Vic, Spain; IrsiCaixa AIDS Research Institute, Germans Trias i Pujol Research Institute, Can Ruti Campus, Badalona, Spain. Fight AIDS and Infectious Diseases Foundation, Badalona, Spain; Infectious Diseases Department, Hospital Universitari Germans Trias i Pujol, Badalona, Spain; Universitat de Vic-Universitat Central de Catalunya, Vic, Spain; Lihir Medical Centre, International SOS, Lihir Island, Papua New Guinea.