1. Department of Microbiology, The University of Alabama at Birmingham, Birmingham, AL, USA
2. Altimmune Inc., Gaithersburg, MD, USA
3. Department of Medicine, Division of Clinical Immunology and Rheumatology, The University of Alabama at Birmingham, Birmingham, AL, USA
4. Department of Pathology, Division of Laboratory Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
5. Department of Anesthesiology and Perioperative Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA