1. Department of Medicine, Stanford University School of Medicine, Stanford, CA, (A.T.S., R.T., P.A.H.).
2. Department of Internal Medicine, Washington University School of Medicine, St. Louis, MO, (K.E.J.M.).
3. Brown School of Social Work, Washington University in St. Louis, MO, (K.E.J.M.).
4. Department of Medicine, Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, (P.A.H.).