National Institute of Respiratory Diseases ”Ismael Cosío Villegas” - Centre for Research in Infectious Diseases, National Institute of Respiratory Diseases ”Ismael Cosío Villegas” - Centre for Research in Infectious Diseases, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, National Institute of Respiratory Diseases ”Ismael Cosío Villegas” - Centre for Research in Infectious Diseases, National Institute of Respiratory Diseases ”Ismael Cosío Villegas” - Centre for Research in Infectious Diseases, National Institute of Respiratory Diseases ”Ismael Cosío Villegas” - Centre for Research in Infectious Diseases, National Institute of Respiratory Diseases ”Ismael Cosío Villegas” - Centre for Research in Infectious Diseases, Bethesda - MD, Comisión Coordinadora de Institutos Nacionales de Salud y Hospitales de Alta Especialidad, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán - Department of Infectious Diseases, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán and National Institute of Respiratory Diseases ”Ismael Cosío Villegas” - Centre for Research in Infectious Diseases

Vanderbilt University, Vanderbilt University, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Pontificia Universidad Católica de Chile, Oswaldo Cruz Foundation (FIOCRUZ) - Instituto Nacional de Infectologia Evandro Chagas (INIEC), Les Centres Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Instituto Hondureño de Seguridad Social, Instituto de Investigaciones Clínicas Zárate, Vanderbilt University, Vanderbilt University Medical Center - Department of Biostatistics and Vanderbilt University