1. Department of Community Health Sciences, UCLA Fielding School of Public Health, Los Angeles, California
2. Division of Chronic Disease and Injury Prevention, Los Angeles County Department of Public Health, Los Angeles, California
3. Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, California
4. Department of Family Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California
5. Population Health Program, UCLA Clinical and Translational Science Institute, Los Angeles, California