Michael Li, MPH1, Heather Guentzel Frank, MPH, MA2, Nina T. Harawa, MPH, PhD3, John K. Williams, MD4, Chih-Ping Chou, PhD5 and Ricky N. Bluthenthal, Ph.D.6
(1)Keck School of Medicine of the University of Southern California, Los Angeles, CA, (2)UCLA Fielding School of Public Health, Los Angeles, (3)Charles R. Drew University of Medicine and Science, Los Angeles, CA, (4)University of California, Los Angeles, Los Angeles, CA, (5)University of Southern California Keck School of Medicine, Los Angeles, CA, (6)Keck Medicine, University of Southern California, Los Angeles, CA