1 Emory Antibiotic Resistance Center, Atlanta, GA 30329, USA; Emory Vaccine Center, Atlanta, GA, USA; Emory University School of Medicine, Atlanta, GA, USA; Research Service, Atlanta VA Medical Center, Decatur, GA, USA.
2 Emory Antibiotic Resistance Center, Atlanta, GA 30329, USA; Emory University School of Medicine, Atlanta, GA, USA.
3 Emory Antibiotic Resistance Center, Atlanta, GA 30329, USA; Emory Vaccine Center, Atlanta, GA, USA; Emory University School of Medicine, Atlanta, GA, USA; Research Service, Atlanta VA Medical Center, Decatur, GA, USA. Electronic address: david.weiss@emory.edu.