1. Division of Chronic Disease and Injury Prevention, Los Angeles County Department of Public Health, Los Angeles, CA 90010, USA
2. Department of Epidemiology, University of California, Los Angeles (UCLA) Fielding School of Public Health, Los Angeles, CA 90095, USA
3. Department of Family Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA 90024, USA
4. Population Health Program, UCLA Clinical and Translational Science Institute, Los Angeles, CA 90095, USA