1. Division of Infectious Diseases, Emory University School of Medicine, Atlanta, Georgia, USA
2. Infectious Diseases, Atlanta Veterans Affairs Medical Center, Decatur, Georgia, USA
3. Pulmonary Medicine, Atlanta Veterans Affairs Medical Center, Department of Medicine, Decatur, Georgia, USA
4. Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Emory University, Atlanta, Georgia, USA
5. Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
6. Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia, USA
7. Emory Vaccine Center, Emory University, Atlanta, Georgia, USA