1. Division of Infectious Diseases, Department of Medicine, Weill Cornell Medicine, New York, New York.
2. Departmento de Investigación en Enfermedades Infecciosas, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosío Villegas,” CDMX, Mexico DF, Mexico.
3. Department of Microbiology, Immunology and Molecular Genetics, Medicine-Pediatrics, UCLA AIDS Institute and the Jonsson Comprehensive Cancer Center, University of California, Los Angeles, Los Angeles, California.