Kimlin Tam Ashing1, Marva L Lewis2, Valencia P Walker3. 1. Center of Community Alliance for Research and Education, Department of Population Sciences, City of Hope, Duarte, California. 2. School of Social Work, Tulane University, New Orleans, Louisiana. 3. Division of Neonatology, Department of Pediatrics, David Geffen School of Medicine at UCLA, University of California, Los Angeles.