Boston University - Department of Anatomy and Neurobiology, Massachusetts General Hospital - Athinoula A. Martinos Center for Biomedical Imaging, California Health Sciences University, University of California, Los Angeles (UCLA), University of California, Los Angeles (UCLA), University of California, Los Angeles (UCLA) - David Geffen School of Medicine, University of California, Los Angeles (UCLA) - Department of Pathology and Laboratory Medicine, University of California, Los Angeles (UCLA) - Department of Pathology and Laboratory Medicine, University of California, Los Angeles (UCLA) - Department of Pathology and Laboratory Medicine and Boston University - Department of Anatomy and Neurobiology