1Mallinckrodt Institute of Radiology, Washington University in St. Louis, St. Louis, MO, United States, 2Knight Alzheimer's Disease Research Center, St. Louis, MO, United States, 3Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, MO, United States, 4Biomedical Engineering, Washington University in St. Louis, St. Louis, MO, United States, 5Neurology, Washington University in St. Louis, St. Louis, MO, United States, 6Knight Alzheimer’s Disease Research Center, St. Louis, MO, United States, 7Neurosurgery, Washington University in St. Louis, St. Louis, MO, United States