aDepartment of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, Virginia, USA
bNational Animal Disease Center, Agricultural Research Service, U.S. Department of Agriculture, Ames, Iowa, USA
cDepartment of Microbiology and Immunology, Wake Forest School of Medicine, Wake Forest University, Winston-Salem, North Carolina, USA
dDepartment of Agriculture, Università di Napoli Federico II, Naples, Italy
eDepartment of Chemical Sciences, Università di Napoli Federico II, Naples, Italy
fVirginia Tech Carilion School of Medicine, Roanoke, Virginia, USA
✉Address correspondence to Thomas J. Inzana, tinzana@vt.edu.
*Present address: W. Edward Swords, Department of Medicine, Division of Pulmonary, Allergy & Critical Care, University of Alabama Birmingham School of Medicine, Birmingham, Alabama, USA.