1. Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.
2. Division of Endocrinology, Diabetes and Metabolism, Johns Hopkins University School of Medicine, Baltimore, Maryland.
3. Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.
4. Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, California.
5. Division of Infectious Diseases, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
6. Department of Infectious Diseases and Microbiology, University of Pittsburgh, Pittsburgh, Pennsylvania.
7. Department of Laboratory Medicine, University of Washington, Seattle, Washington.
8. Department of Medicine, University of Washington, Seattle, Washington.
9. Department of Ophthalmology, Johns Hopkins School of Medicine, Baltimore, Maryland.