1. Division of Infectious Diseases, Department of Medicine, University of California Davis, Sacramento, California, USA
2. Clinical Epidemiology and Infection Prevention, University of California Los Angeles, Los Angeles Health, Los Angeles, California, USA
3. Division of Infectious Disease, Department of Medicine, University of California San Francisco, San Francisco, California, USA
4. Division of Infectious Diseases and Health Policy Research Institute, University of California Irvine School of Medicine, Irvine, California, USA
5. Department of Medicine and Clinical Innovation Center, University of California San Francisco, San Francisco, California, USA
6. Epidemiology & Infection Prevention Program, University of California, Irvine Health, Irvine, California, USA
7. Division of Infectious Diseases, Department of Medicine, University of California Los Angeles, Los Angeles, California, USA