1 The Patient Safety Enhancement Program, VA Ann Arbor Health System, Ann Arbor, Michigan2Division of General Medicine, Department of Medicine, University of Michigan Health System, Ann Arbor.
2 Division of General Medicine, Department of Medicine, University of Michigan Health System, Ann Arbor3Center for Clinical Management Research, VA Ann Arbor Health System, Ann Arbor, Michigan.
3 Center for Clinical Management Research, VA Ann Arbor Health System, Ann Arbor, Michigan.