1. Department of Family Medicine and University of Michigan Medical School, Ann Arbor, Michigan, USA.
2. Department of Psychiatry, University of Michigan Medical School, Ann Arbor, Michigan, USA.
3. VA Ann Arbor Center for Clinical Management Research, Ann Arbor, Michigan, USA.
4. Department of Biostatistics, University of Michigan, Ann Arbor, Michigan, USA.
5. Department of Health Behavior and Health Education, School of Public Health, University of Michigan, Ann Arbor, Michigan, USA.
6. Cherry Health, Heart of the City Health Center, Grand Rapids, Michigan, USA.
7. Division of Psychiatry and Behavioral Medicine, Michigan State University College of Human Medicine, Lansing, Michigan, USA.