A. Taylor Kelley is with the Department of Internal Medicine and the Institute for Healthcare Policy and Innovation, University of Michigan, Ann Arbor; and the VA Ann Arbor Healthcare System, Ann Arbor. Renuka Tipirneni is with the Department of Internal Medicine and the Institute for Healthcare Policy and Innovation, University of Michigan. Helen Levy is with the Institute for Social Research, Institute for Healthcare Policy and Innovation, School of Public Health, and Gerald R. Ford School of Public...