1. Division of Chronic Disease and Injury Prevention, Los Angeles County Department of Public Health, Los Angeles, CA, USA
2. Fraser Communications, Los Angeles, CA, USA
3. Center for Healthy Living, Kaiser Permanente Southern California, Pasadena, CA, USA
4. Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, USA
5. Department of Family Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
6. Population Health Program, UCLA Clinical and Translational Science Institute, Los Angeles, CA, USA