[1
]
Department of Psychiatry, University of Michigan, Ann Arbor2Center for Clinical Management
Research, Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, Michigan.
[2
]
Center for Clinical Management Research, Veterans Affairs Ann Arbor Healthcare System,
Ann Arbor, Michigan3Center for Statistical Consultation and Research, University of
Michigan, Ann Arbor.
[3
]
Department of Psychiatry, University of Michigan, Ann Arbor.
[4
]
Department of Psychiatry, University of Southern California, Los Angeles.