1. University of California at Los Angeles, Fielding School of Public Health, Department of Community Health Sciences, Los Angeles, CA
2. Centers for Disease Control and Prevention, Division of HIV/AIDS Prevention, Atlanta, GA
3. National Institutes of Health, National Institute of Alcohol Abuse and Alcoholism, Division of Epidemiology and Prevention Research, Rockville, MD
4. University of California at San Diego, Division of Global Public Health, Department of Medicine, San Diego, CA