1. Molecular Aging and Development Laboratory, Boston University School of Medicine, Boston, MA 02118, USA.
2. Boston University Alzheimer’s Disease Center, Boston, MA 02118, USA.
3. Boston University Photonics Center, Boston University, Boston, MA 02215, USA.
4. College of Engineering, Boston University, Boston, MA 02215, USA.
5. Department of Cell Biology and Anatomy, New York Medical College, Valhalla, NY 10595, USA.
6. Electron Microscope Facility, Harvard Medical School, Boston, MA 02115, USA.
7. Genetics and Aging Research Unit, Massachusetts General Hospital, Charlestown, MA 02129, USA.
8. Center for Study of Traumatic Encephalopathy, Boston University School of Medicine, Boston, MA 02118, USA.
9. Department of Neurosurgery, Emerson Hospital, Concord, MA 01742, USA.
10. Department of Medicine, Veterans Affairs Medical Center, White River Junction, VT 05009, USA.
11. Neurology Service, Veterans Affairs Boston Healthcare System, Boston, MA 02130, USA.
12. Fraunhofer Center for Manufacturing Innovation at Boston University, Brookline, MA 02446, USA.
13. Department of Biological Sciences, University of Massachusetts Lowell, Lowell, MA 01854, USA.
14. Lawrence Livermore National Laboratory, Livermore, CA 94551, USA.
15. Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, Old Road Campus Research Building, Oxford OX3 7DQ, UK.