1. Addiction Center, Department of Psychiatry, University of Michigan, Ann Arbor, Michigan, USA.
2. Institute for Healthcare Policy and Innovation, University of Michigan, Ann Arbor, Michigan, USA.
3. Child Health Evaluation and Research Center, University of Michigan, Ann Arbor, Michigan, USA.
4. Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan, USA.
5. Department of Health Management and Policy, University of Michigan School of Public Health, Ann Arbor, Michigan, USA.
6. VA Center for Clinical Management Research, VA Ann Arbor Healthcare System, Ann Arbor, Michigan, USA.
7. Division of Infectious Diseases, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA.