1. Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, and School of Medicine, Stanford University, Stanford, CA
2. Tufts University School of Medicine, Maine Medical Center, Portland
3. Department of Physiological Nursing, University of California, San Francisco
4. VA-GRECC (Geriatric Research Education Clinical Center) for the Veterans Affairs Tennessee Valley Healthcare System, Vanderbilt University Medical Center, Nashville
5. Ingram School of Nursing, McGill University and Centre for Nursing Research/Lady Davis Institute, Jewish General Hospital, Montreal, Quebec, Canada
6. College of Pharmacy, The Ohio State University, Columbus, and College of Pharmacy, University of Texas, Austin
7. Scripps Clinical Center, Scripps Health, La Jolla, CA
8. Department of Pharmacy Practice, Northeastern University Special and Scientific Staff, Division of Pulmonary, Critical Care, and Sleep Medicine, Tufts University of Medicine, Boston, MA
9. Section of Pulmonary and Critical Care, Department of Medicine, University of Chicago, Chicago, IL
10. Department of Anesthesiology and Pain Medicine, University of Washington/Harborview Medical Center, Seattle
11. Departments of Anesthesiology and Internal Medicine, Schools of Medicine and Public Health, University of Wisconsin, Madison
12. Division of Trauma Critical Care Medicine, Shock Trauma Center, University of Maryland, Baltimore
13. Department of Anesthesia and Critical Care, University of Chicago, Chicago
14. Division of Trauma and Critical Care, Department of Surgery, University of Cincinnati, Cincinnati, OH
15. School of Nursing, University of Virginia, Charlottesville
16. Baylor University Medical Center, Dallas, TX
17. Tufts University School of Medicine, Maine Medical Center
18. Department of Internal Medicine, Virginia Commonwealth University Health System, Richmond
19. Department of Allergy, Pulmonary, and Critical Care Medicine, Vanderbilt University Medical Center, Nashville
20. Universite de Montreal, Montreal, Canada
21. Departments of Medicine and Clinical Epidemiology and Biostatistics, St. Joseph’s Hospital and McMaster University, Hamilton, Ontario, Canada