1. Section of Emergency General Surgery, Division of Trauma, Department of Surgery, Denver Health, Denver, Colorado
2. Abdominal Imaging Division, Department of Radiology & Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia
3. Critical Illness, Brain dysfunction, and Survivorship (CIBS) Center, Center for Health Services Research, Division of Acute Care Surgery, Department of Surgery, Section of Surgical Sciences, Vanderbilt University Medical Center, Nashville, Tennessee
4. Surgical Service, Geriatric Research, Education and Clinical Center Service, Veterans Affairs (VA) Tennessee Valley Healthcare System, Nashville VA Medical Center, Nashville, Tennessee