1. Division of Acute Care Surgery, Department of Surgery, University of Michigan Hospital and Health Systems, Ann Arbor, Michigan.
2. Division of Acute Care Surgery, Department of Internal Medicine, University of Michigan Hospital and Health Systems, Ann Arbor, Michigan.
3. Division of Acute Care Surgery, Department of Cardiac Surgery, University of Michigan Hospital and Health Systems, Ann Arbor, Michigan.
4. Division of Acute Care Surgery, Department of Pathology, University of Michigan Hospital and Health Systems, Ann Arbor, Michigan.