Affiliation: | 1. Geriatric Behavioral Health Division, Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, North Carolina;2. Institute for Brain Sciences, Duke University, Durham, North Carolina;3. Brain Imaging and Analysis Center, Duke University, Durham, North Carolina;4. Division of Neuroanesthesiology, Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina;5. Department of Radiology, Duke University Medical Center, Durham, North Carolina;6. Behavioral Medicine Division, Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, North Carolina;7. Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina;8. Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, North Carolina;9. Division of Cardiothoracic Surgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina |