1. Disparities Research Unit, Department of Medicine, Massachusetts General Hospital and the Mongan Institute, Boston (Alegría, Cheng, Falgas-Bague); Department of Medicine (Alegría, Falgas-Bague) and Department of Psychiatry (Alegría), Harvard Medical School, Boston; Bloomberg School of Public Health, Johns Hopkins University, Baltimore (Alvarez); Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute and University of Basel, Allschwil, Basel, Switzerland (Falgas-Bague).