Lewei Allison Lin1, Richard Saitz. 1. VA Center for Clinical Management Research (CCMR), VA Ann Arbor Healthcare System, Ann Arbor, MI (LAL); Addiction Center, Department of Psychiatry, University of Michigan, Ann Arbor, MI (LAL); Department of Community Health Sciences, Boston University School of Public Health, Boston, MA (RS); Clinical Addiction Research and Education Unit, Section of General Internal Medicine, Boston University School of Medicine, Boston, MA (RS) and Grayken Center for Addiction, Boston Medical Center, Boston, MA (RS).