1. Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina
2. Center for Cognitive Neuroscience, Duke University Medical Center, Durham, North Carolina
3. Center for the Study of Aging and Human Development and the Duke/UNC Alzheimer’s Disease Research Center, Duke University Medical Center, Durham, North Carolina
4. Department of Anesthesiology and Critical Care, University of Pennsylvania Perelman School of Medicine, Philadelphia
5. Penn Center for Perioperative Outcomes Research and Transformation, University of Pennsylvania Perelman School of Medicine, Philadelphia