5 Department of Community Health Sciences, UCLA Fielding School of Public Health, Los Angeles, California, USA.4 Department of Environmental Health Sciences, UCLA Fielding School of Public Health, Los Angeles, California, USA.3 Los Angeles County Department of Health Services, Los Angeles, California, USA.2 Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, California, USA.1 Division of General Internal Medicine and Health Services Research, UCLA David Geffen School of Medicine, Los Angeles, California, USA.
