| Affiliation: | 1. Department of Health Policy and Management, Johns Hopkins Center for Injury Research and Policy, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA;2. Department of Chicana and Chicano Studies, California State University, Fullerton, 800 N. State College Blvd., Fullerton, CA 92832, USA;3. University of Maryland School of Medicine, Departments of Pediatrics and Epidemiology and Public Health, 737 West Lombard Street, Room 163, Baltimore, MD 21201, USA;4. University of California, San Diego, Mail Code 0824, 3900 Fifth Avenue, Suite 310, San Diego, CA 92103, USA |
