1 Richard A. Grucza, Michael Hur, Arpana Agrawal, Melissa J. Krauss, and Patricia A. Cavazos-Rehg are with the Department of Psychiatry, Washington University School of Medicine, St. Louis, MO. Laura J. Bierut is with the Department of Psychiatry and the Siteman Cancer Center, Washington University School of Medicine. Andrew D. Plunk is with the Department of Pediatrics, Eastern Virginia Medical School, Norfolk. Frank J. Chaloupka is with the Department of Economics and Health Policy Center, University of Illinois at Chicago.