1. Division of Immunology and Rheumatology, Department of Medicine, Stanford University, Stanford, CA 94305, USA.
2. Department of Medicine, VA Palo Alto Health Care System, Palo Alto, CA 94304, USA.
3. Department of Statistics, Stanford University, Stanford, CA 94305, USA.
4. Department of Pathology, Stanford University, Stanford, CA 94305, USA.
5. Division of Infectious Diseases, Department of Pediatrics, Stanford University, Stanford, CA 94305, USA.
6. Department of Medicine, Stanford Prevention Research Center, Stanford University, Stanford, CA 94305, USA.
7. Department of Biomedical Data Science, Stanford University, Stanford, CA 94305, USA.