1. Division of Pulmonary and Critical Medicine, Department of Medicine, Mayo Clinic, Rochester, MN 55905, USA.
2. Department of Immunology, Mayo Clinic, Rochester, MN 55905, USA.
3. Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, MN 55905, USA.
4. Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA 92037, USA.
5. Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA.
6. Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905, USA.
7. Department of Pediatrics and Adolescent Medicine, Mayo Clinic, Rochester, MN 55905, USA.
8. Department of Microbiology and Immunology, Indiana University of School of Medicine, Indianapolis, IN 46202, USA.
9. Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California San Diego (UCSD), La Jolla, CA 92037, USA.
10. Department of Radiology, Mayo Clinic, Rochester, MN 5590, USA.
11. Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA.
12. Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN 55905, USA.
13. Carter Immunology Center, University of Virginia, Charlottesville, VA 22908, USA.