[1] University of Florence,Unit of Gerontology and Geriatrics, Department of Critical Care Medicine and Surgery
[2] Wake Forest University School of Medicine,Department of Internal Medicine, Sticht Center on Aging
[3] University of Florida School of Medicine,Department of Aging and Geriatric Research, College of Medicine Institute on Aging
[4] Wake Forest University School of Medicine,Department of Public Health Sciences
[5] the University of North Carolina,Department of Allied Health Sciences, Division of Speech and Hearing Science, and The Center on Aging and Diversity
[6] Centers for Disease Control and Prevention,Division for Heart Disease and Stroke Prevention, National Center for Chronic Disease Prevention and Health Promotion