1. Department of Neurosurgery, Zilkha Neurogenetic Institute, University of Southern California, Los Angeles, USA
2. Department of Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, USA
3. Department of Gerontology, Leonard Davis School of Gerontology, University of Southern California, Los Angeles, USA
4. Department of Civil and Environmental Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, USA
5. Department of Neurosurgery, University of Southern California, Los Angeles, CA, USA