Institution: | aGalveston National Laboratory, University of Texas Medical Branch, Galveston, Texas, USA;bDepartments of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, USA;cDepartment of Microbiology and Immunology, Uniformed Services University, Bethesda, Maryland, USA;dIntegrated Research Associates, LLC, San Francisco, California, USA |