[1
]
Department of Family Medicine, University of Michigan, Ann Arbor, Michigan.
[2
]
Department of Family Medicine, University of Michigan, Ann Arbor, Michigan; Department
of Biostatistics, University of Michigan, Ann Arbor, Michigan. Electronic address:
anandas@med.umich.edu.
[3
]
Department of Medicine, University of Michigan and Ann Arbor VA Center for Clinical
Management Research, Ann Arbor, Michigan.
[4
]
Center for Ethics and Humanities in the Life Sciences and Department of Medicine,
Michigan State University, East Lansing, Michigan.
[5
]
Department of Family and Community Medicine, Penn State Hershey Medical Center, Hershey,
Pennsylvania.