1. Division of Pulmonary & Critical Care Medicine, University of Utah and Salt Lake City VA Healthcare System, Salt Lake City, Utah (B.E.J.)
2. Division of Epidemiology, University of Utah and Salt Lake City VA Healthcare System, Salt Lake City, Utah (A.B.C., J.Y., M.R.N., M.M.J., M.H.S.)
3. Department of Emergency Medicine, University of Utah and Salt Lake City VA Healthcare System, Salt Lake City, Utah (E.D.R., A.B.)
4. Division of Pulmonary and Critical Care Medicine, Intermountain Health and University of Utah, Murray, Utah (N.C.D.)
5. Department of Emergency Medicine, University of Utah Healthcare System, Salt Lake City, Utah (M.L.F.)
6. Center for Innovations in Quality, Effectiveness and Safety, Michael E. DeBakey Veterans Affairs Medical Center and Baylor College of Medicine, Houston, Texas (H.S.)
7. Department of Emergency Medicine, Cook County Hospital, Rush Medical College, Chicago, Illinois (K.S.C.)
8. Department of Biomedical Informatics, University of Utah and Salt Lake City VA Healthcare System, Salt Lake City, Utah (P.A.T., C.D.W.)
9. Department of Biomedical Informatics, and Division of Geriatrics, Department of Internal Medicine, University of Utah and Salt Lake City VA Healthcare System, Salt Lake City, Utah (J.M.B.).