Affiliation: | aDepartment of Medicine, The University of North Carolina, Chapel Hill, North Carolina, USA;bDepartment of Microbiology and Immunology, The University of North Carolina, Chapel Hill, North Carolina, USA;cLineberger Comprehensive Cancer Center, The University of North Carolina, Chapel Hill, North Carolina, USA;dDivision of Basic Medical Sciences, Mercer University School of Medicine, Macon, Georgia, USA |