Affiliation: | aLaboratory of Molecular Microbiology, National Institute of Allergy and Infectious Diseases, Bethesda, Maryland, USA;bLaboratory of Immunogenetics, National Institute of Allergy and Infectious Diseases, Bethesda, Maryland, USA;cBioinformatics and Computational Biosciences Branch, National Institute of Allergy and Infectious Diseases, Bethesda, Maryland, USA |