1. Department of Pediatrics (NHY, MD, NK, PSR, JPM), University of California, Davis, CA, USA
2. Department of Public Health Sciences (BKY, JPL), University of California, Davis, CA, USA
3. Department of Emergency Medicine (NK), University of California, Davis, CA, USA
4. Department of Internal Medicine (PSR), University of California, Davis, CA, USA
5. Department of Family Practice and Community Medicine (TSN), University of California, Davis, CA, USA