1. Department of Pulmonology and Critical Care Medicine, University of California, Los Angeles, Los Angeles, California, USA
2. NIH BD2K Center of Excellence at UCLA, University of California, Los Angeles, Los Angeles, California, USA
3. Infectious Disease Clinical Outcome Research Unit, Los Angeles Biomedical Research Institute at Harbor-UCLA, Los Angeles, California, USA
4. Department of Infectious Disease, University of California, Los Angeles, Los Angeles, California, USA
5. Department of Internal Medicine, University of California, Los Angeles, Los Angeles, California, USA
6. Department of Cardiology, University of California, Los Angeles, Los Angeles, California, USA
7. Department of Pathology & Laboratory Medicine, University of California, Los Angeles, Los Angeles, California, USA