1. a Department of Health, Behavior and Society , Johns Hopkins Bloomberg School of Public Health , Baltimore , MD , USA
2. b Veterans Administration , National Serious Mental Illness Treatment Research Evaluation Center , Ann Arbor , MI , USA
3. c Department of Internal Medicine , Johns Hopkins School of Medicine , Baltimore , MD , USA
4. d Division of General Internal Medicine, Albert Einstein College of Medicine , Montefiore Medical Center , Bronx , NY , USA