1 Emory University School of Medicine and Rollins School of Public Health, Atlanta Veterans Affairs Medical Center, Atlanta, Ga. Electronic address: [email protected].
2 Eli Lilly and Company, Indianapolis, Ind.
3 Critical Illness, Brain Dysfunction, and Survivorship Center, Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine at Vanderbilt University Medical Center, Nashville, Tenn; Tennessee Valley Veteran's Affairs Geriatric Research Education Clinical Center, Nashville, Tenn.